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1.	Asif, Sana, M.D, PhD student, et al. (author) Severe obstetric lacerations associated with postpartum depression among women with low resilience : a Swedish birth cohort study 2020 In: British Journal of Obstetrics and Gynecology. - : Wiley. - 1470-0328 .- 1471-0528. ; 127:11, s. 1382-1390 Journal article (peer-reviewed)abstract OBJECTIVE: Women's levels of resilience and attitudes towards perineal lacerations vary greatly. Some women see them as part of the birthing process, while others react with anger, depressed mood or even self-harm thoughts. A previous study has reported increased risk of postpartum depressive (PPD) symptoms in women with severe perineal lacerations. The aim of this study was to assess the association between severe obstetric perineal lacerations and PPD. A secondary objective was to assess this association among women with low resilience.DESIGN: Nested cohort study.SETTING: Uppsala, Sweden.SAMPLE: Vaginally delivered women with singleton pregnancies (n = 2,990).METHODS: The main exposure was obstetric perineal lacerations. Resilience was assessed in gestational week 32 using the Swedish version of the Sense of Coherence Scale (SOC-29). A digital acyclic graph (DAG) was used to identify possible confounders and mediators. Logistic regression was used to estimate odds ratios and 95% confidence intervals. A sub-analysis was run after excluding women with normal or high resilience.MAIN OUTCOME MEASURES: Postpartum depression, assessed with the Depression Self-Reporting Scale (DSRS), completed at six weeks postpartum.RESULTS: There was no significant association between severe obstetric perineal lacerations and PPD at six weeks postpartum. However, a significant association was found between severe lacerations and PPD in women with low resilience (OR =4.8 95% CI = 1.2-20), persisting even after adjusting for confounding factors.CONCLUSION: Health care professionals might need to identify women with low resilience, as they are at increased risk for PPD after a severe perineal laceration.
2.	Belachew, Johanna, 1976-, et al. (author) Longitudinal study of the uterine body and cavity with three-dimensional ultrasonography in the puerperium 2012 In: Acta Obstetricia et Gynecologica Scandinavica. - : Wiley. - 0001-6349 .- 1600-0412. ; 91:10, s. 1184-1190 Journal article (peer-reviewed)abstract Objective. To describe uterine involution in the puerperium with three-dimensional ultrasound.Design. Prospective, longitudinal study.Setting. Fetal medicine unit, department of obstetrics and gynecology, university referral hospital, Uppsala, Sweden.Population. Fifty women with uncomplicated deliveries and puerperium between February 2009 and February 2010.Methods. Three-dimensional ultrasound was used to measure the uterine body and cavity volumes. The volume data set was analysed using virtual organ computer-aided analysis (VOCAL) with a 30 degree rotation step. Measurements were performed transabdominally on days 1, 7 and 14 and transvaginally on days 28 and 56 postpartum. Parity, gestational age, birthweight, smoking, breastfeeding and blood loss were recorded.Main outcome measures. Uterine body and cavity volumes. Results. Median uterine body volume was 756 cm3 on day 1, 440 cm3 on day 7, 253 cm3 on day 14, 125 cm3 on day 28 and 68 cm3 on day 56. Median cavity volume was 22 cm3 on day 1, 18 cm3 on day 7, 6 cm3 on day 14, 1 cm3 on day 28 and not measurable on day 56. The interindividual variation of uterine body and cavity volumes was most pronounced on day 1 and decreased throughout the observation period. Intrauterine content was found in 36% of the women on day 1, 95% on day 7, 87% on day 14 and 28% on day 28.Conclusions. Three-dimensional ultrasound is a non-invasive tool suitable for measurement of the uterine body and cavity volumes during the puerperium. The volumes decreased in a similar pattern in the study population.
3.	Belachew, Johanna, 1976-, et al. (author) Placental location, postpartum hemorrhage and retained placenta in women with a previous cesarean section delivery : a prospective cohort study 2017 In: Upsala Journal of Medical Sciences. - : Uppsala Medical Society. - 0300-9734 .- 2000-1967. ; 122:3, s. 185-189 Journal article (peer-reviewed)abstract OBJECTIVE: Women previously giving birth with cesarean section have an increased risk of postpartum hemorrhage (PPH) and retained placenta. The objective of this study was to determine if anterior placental location increased the risk of PPH and retained placenta in such women.MATERIALS AND METHODS: We performed a prospective cohort study on 400 women with cesarean section delivery in a previous pregnancy. Ultrasound examinations were performed at gestational week 28-30, and placental location, myometrial thickness, and three-dimensional vascularization index (VI) were recorded. Data on maternal age, parity, BMI, smoking, gestational week at delivery, induction, delivery mode, oxytocin, preeclampsia, PPH, retained placenta, and birth weight were obtained for all women. Outcome measures were PPH (≥1,000 mL) and retained placenta.RESULTS: The overall incidence of PPH was 11.0% and of retained placenta 3.5%. Twenty-three women (11.8%) with anterior placenta had PPH compared to 12 (6.9%) with posterior or fundal locations. The odds ratio was 1.94, but it did not reach statistical significance. There was no significant risk increase for retained placenta in women with anterior placentae. Seven of eight women with placenta previa had PPH, and four had retained placenta.CONCLUSIONS: The overall risk of PPH and retained placenta was high for women with previous cesarean section. Anterior location of the placenta in such women tended to impose an increased risk for PPH but no risk increase of retained placenta. Placenta previa in women with previous cesarean section is associated with a high risk for PPH and retained placenta.
4.	Belachew, Johanna, 1976- (author) Retained Placenta and Postpartum Haemorrhage 2015 Doctoral thesis (other academic/artistic)abstract The aim was to explore the possibility to diagnose retained placental tissue and other placental complications with 3D ultrasound and to investigate the impact of previous caesarean section on placentation in forthcoming pregnancies.3D ultrasound was used to measure the volumes of the uterine body and cavity in 50 women with uncomplicated deliveries throughout the postpartum period. These volumes were then used as reference, to diagnose retained placental tissue in 25 women with secondary postpartum haemorrhage. All but three of the 25 women had retained placental tissue confirmed at histopathology. The volume of the uterine cavity in women with retained placental tissue was larger than the reference in most cases, but even cavities with no retained placental tissue were enlarged (Studies I and II).Women with their first and second birth, recorded in the Swedish medical birth register, were studied in order to find an association between previous caesarean section and retained placenta. The risk of retained placenta with heavy bleeding (>1,000 mL) and normal bleeding (≤1,000 mL) was estimated for 19,459 women with first caesarean section delivery, using 239,150 women with first vaginal delivery as controls. There was an increased risk of retained placenta with heavy bleeding in women with previous caesarean section (adjusted OR 1.61; 95% CI 1.44-1.79). There was no increased risk of retained placenta with normal bleeding (Study III).Placental location, myometrial thickness and Vascularisation Index were recorded on 400 women previously delivered by caesarean section. The outcome was retained placenta and postpartum haemorrhage (≥1,000 mL). There was a trend towards increased risk of postpartum haemorrhage for women with anterior placentae. Women with placenta praevia had an increased risk of retained placenta and postpartum haemorrhage. Vascularisation Index and myometrial thickness did not associate (Study IV).In conclusion: 3D ultrasound can be used to measure the volume of the uterine body and cavity postpartum, but does not increase the diagnostic accuracy of retained placental tissue. Previous caesarean section increases the risk of retained placenta in subsequent pregnancy, and placenta praevia in women with previous caesarean section increases the risk for retained placenta and postpartum haemorrhage.
5.	Belachew, Johanna, 1976-, et al. (author) Risk of retained placenta in women previously delivered by caesarean section : a population-based cohort study. 2014 In: British Journal of Obstetrics and Gynecology. - : Wiley. - 1470-0328 .- 1471-0528. ; 121:2, s. 224-229 Journal article (peer-reviewed)abstract OBJECTIVE: To evaluate whether women with a caesarean section at their first delivery have an increased risk of retained placenta at their second delivery.DESIGN: Population-based cohort study.SETTING: Sweden.POPULATION: All women with their first and second singleton deliveries in Sweden during the years 1994-2006 (n = 258 608). Women with caesarean section or placental abruption in their second pregnancy were not included in the study population.METHODS: The risk of retained placenta at second delivery was estimated for women with a first delivery by caesarean section (n = 19 458), using women with a first vaginal delivery as reference (n = 239 150). Risks were calculated as odds ratios by unconditional logistic regression analysis with 95% confidence intervals (95%) after adjustments for maternal, delivery, and infant characteristics.MAIN OUTCOME MEASURES: Retained placenta with normal (≤1000 ml) and heavy (>1000 ml) bleeding.RESULTS: The overall rate of retained placenta was 2.07%. In women with a previous caesarean section and in women with previous vaginal delivery, the corresponding rates were 3.44% and 1.96%, respectively. Compared with women with a previous vaginal delivery, women with a previous caesarean section had an increased risk of retained placenta (adjusted OR 1.45; 95% CI 1.32-1.59), and the association was more pronounced for retained placenta with heavy bleeding (adjusted OR 1.61; 95% CI 1.44-1.79).CONCLUSIONS: Our report shows an increased risk for retained placenta in women previously delivered by caesarean section, a finding that should be considered in discussions of mode of delivery.
6.	Belachew, Johanna, 1976-, et al. (author) Three-dimensional ultrasound does not improve diagnosis of retained placental tissue compared to two-dimensional ultrasound 2015 In: Acta Obstetricia et Gynecologica Scandinavica. - : Wiley. - 0001-6349 .- 1600-0412. ; 94:1, s. 112-116 Journal article (peer-reviewed)abstract The study objective was to improve ultrasonic diagnosis of retained placental tissue by measuring the volume of the uterine body and cavity using three-dimensional (3D) ultrasound. Twenty-five women who were to undergo surgical curettage due to suspected retained placental tissue were included. The volume of the uterine body and cavity was measured using the VOCAL imaging program. Twenty-one women had retained placental tissue histologically verified. Three of these had uterine volumes exceeding the largest volume observed in the normal puerperium. Seventeen of the 21 women had a uterine cavity volume exceeding the largest volume observed in the normal puerperium. In all 14 cases examined 28 days or more after delivery the cavity volume exceeded the largest volume observed in the normal puerperium. A large cavity volume estimated with 3D ultrasound is indicative of retained placental tissue. However, 3D ultrasound adds little or no diagnostic power compared to 2D ultrasound.
7.	Eriksson, Lars-Gunnar, et al. (author) Massive Postpartum Hemorrhage Treated with Transcatheter Arterial Embolization : Technical aspects and long-term effects on fertility and menstrual cycle 2007 In: Acta Radiologica. - : SAGE Publications. - 0284-1851 .- 1600-0455. ; 48:6, s. 635-642 Journal article (peer-reviewed)abstract Background: Transcatheter arterial embolization (TAE) is considered a safe, life-saving procedure in postpartum hemorrhage (PPH), but its long-term effect on menstruation and fertility is unclear. Purpose: To investigate technical aspects and the evaluation of complications, focused on menstrual cycle and fertility, using TAE in patients with PPH. Material and Methods: A retrospective study including 20 patients (seven with vaginal and 13 with cesarean delivery) with severe PPH treated with bilateral TAE of the uterine artery was carried out. All patients were asked to answer a questionnaire regarding their post-embolization history. In six patients, the radiation dose was measured. Results: All 20 cases underwent bilateral TAE of the uterine artery. Gelfoam was used as the embolic agent. However, after cesarean delivery in six patients who had clear contrast medium extravasation and/or pseudoaneurysm-like lesion, metallic coils had to be used in order to achieve hemostasis. No major short- or long-term complications were registered. Normal menses resumed in all patients. Four patients had a total of five full-term and two preterm pregnancies, and all delivered healthy infants by cesarean section with no recurrence of PPH. The mean radiation dose to the ovaries was 586 mGy (range 204-729 mGy). Conclusion: TAE in patients with PPH is safe and has no major short- or long-term side effects. A patient managed with TAE can expect return of normal menses and preservation of future fertility and successful pregnancies. PPH after cesarean section might need to be embolized with metallic coils in addition to Gelfoam in order to achieve secure hemostasis.
8.	Esscher, Annika, 1968-, et al. (author) Suboptimal care and maternal mortality among foreign-born women in Sweden : Maternal death audit with application of the 'migration three delays' model 2014 In: BMC Pregnancy and Childbirth. - : Springer Science and Business Media LLC. - 1471-2393 .- 1471-2393. ; 14, s. 141- Journal article (other academic/artistic)abstract Background: Several European countries report differences in risk of maternal mortality between immigrants from low- and middle-income countries and host country women. The present study identified suboptimal factors related to care-seeking, accessibility, and quality of care for maternal deaths that occurred in Sweden from 1988-2010. Methods: A subset of maternal death records (n = 75) among foreign-born women from low- and middle-income countries and Swedish-born women were audited using structured implicit review. One case of foreign-born maternal death was matched with two native born Swedish cases of maternal death. An assessment protocol was developed that applied both the 'migration three delays' framework and a modified version of the Confidential Enquiry from the United Kingdom. The main outcomes were major and minor suboptimal factors associated with maternal death in this high-income, low-maternal mortality context. Results: Major and minor suboptimal factors were associated with a majority of maternal deaths and significantly more often to foreign-born women (p = 0.01). The main delays to care-seeking were non-compliance among foreign-born women and communication barriers, such as incongruent language and suboptimal interpreter system or usage. Inadequate care occurred more often among the foreign-born (p = 0.04), whereas delays in consultation/referral and miscommunication between health care providers where equally common between the two groups. Conclusions: Suboptimal care factors, major and minor, were present in more than 2/3 of maternal deaths in this high-income setting. Those related to migration were associated to miscommunication, lack of professional interpreters, and limited knowledge about rare diseases and pregnancy complications. Increased insight into a migration perspective is advocated for maternity clinicians who provide care to foreign-born women.
9.	Hellkvist, Anna, et al. (author) Postmortem magnetic resonance imaging vs autopsy of second trimester fetuses terminated due to anomalies 2019 In: Acta Obstetricia et Gynecologica Scandinavica. - : Wiley. - 0001-6349 .- 1600-0412. ; 98:7, s. 865-876 Journal article (peer-reviewed)abstract INTRODUCTION: Our aim was to investigate the accuracy of postmortem fetal magnetic resonance imaging (MRI) compared to fetal autopsy in second trimester pregnancies terminated due to fetal anomalies. A secondary aim was to compare the MRI evaluations of two senior radiologists.MATERIAL AND METHODS: This was a prospective study including 34 fetuses from pregnancies terminated in the second trimester due to fetal anomalies. All women accepted a postmortem MRI and an autopsy of the fetus. Two senior radiologists performed independent evaluations of the MRI images. A senior pathologist performed the fetal autopsies. The degree of concordance between the MRI evaluations and the autopsy reports was estimated as well as the consensus between the radiologists.RESULTS: Thirty-four fetuses were evaluated. Sixteen cases were associated with the central nervous system (CNS), five musculoskeletal, one cardiovascular, one urinary tract, and 11 cases had miscellaneous anomalies such as chromosomal aberrations, infections, and syndromes. In the 16 cases related to the CNS, both radiologists reported all or some, including the most clinically significant anomalies in 15 (94%; CI 70-100%) cases. In the 18 non-CNS cases, both radiologists reported all or some, including the most clinically significant anomalies in six (33%; CI 5-85%) cases. In 21 cases (62%; CI 44-78%) cases, both radiologists held opinions that were consistent with the autopsy reports. The degree of agreement between the radiologists was high, with a Cohen's Kappa of 0.87.CONCLUSIONS: Postmortem fetal MRI can replace autopsy for second trimester fetuses with CNS anomalies. For non-CNS anomalies, the concordance is lower but postmortem MRI can still be of value when autopsy is not an option.
10.	Iliadis, Stavros I, 1983-, et al. (author) Women with prolonged nausea in pregnancy have increased risk for depressive symptoms postpartum 2018 In: Scientific Reports. - : Nature Publishing Group. - 2045-2322. ; 8 Journal article (peer-reviewed)abstract The aim of this population-based, longitudinal study was to assess the association between nausea and vomiting in pregnancy (NVP) and perinatal depressive symptoms. Pregnant women (N = 4239) undergoing routine ultrasound at gestational week (GW) 17 self-reported on NVP and were divided into those without nausea (G0), early (<= 17 GW) nausea without medication (G1), early nausea with medication (G2), and prolonged (>17 GW) nausea (G3). The Edinburgh Postnatal Depression Scale at GW 17 and 32 (cut-off >= 13) and at six weeks postpartum (cut-off >= 12) was used to assess depressive symptoms. Main outcome measures were depressive symptoms at GW 32 and at six weeks postpartum. NVP was experienced by 80.7%. The unadjusted logistic regression showed a positive association between all three nausea groups and depressive symptoms at all time-points. After adjustment, significant associations with postpartum depressive symptoms remained for G3, compared to G0 (aOR = 1.66; 95% CI 1.1-2.52). After excluding women with history of depression, only the G3 group was at higher odds for postpartum depressive symptoms (aOR = 2.26; 95% CI 1.04-4.92). In conclusion, women with prolonged nausea have increased risk of depressive symptoms at six weeks postpartum, regardless of history of depression.
11.	Lindberger, Emelie, et al. (author) Association of maternal central adiposity measured by ultrasound in early mid pregnancy with infant birth size 2020 In: Scientific Reports. - : NATURE RESEARCH. - 2045-2322. ; 10 Journal article (peer-reviewed)abstract We sought to investigate whether early mid pregnancy visceral and subcutaneous fat depths measured by ultrasound were associated with infant birth size, independent of early pregnancy BMI. A cohort study was performed at Uppsala University Hospital, Sweden, between 2015-2018. Visceral and subcutaneous fat depths were measured at the early second-trimester anomaly scan in 2498 women, giving birth to singleton, term infants. Primary outcomes were birthweight and LGA (birthweight standard deviation score>90th percentile in the cohort). Linear and logistic regression models were used, adjusted for BMI, age, smoking, parity, maternal country of birth, gestational age and infant sex. A 5-mm increase in visceral fat depth was associated with an increase in birthweight of 8.3 g [95% confidence interval (CI) 2.5-14.1 g], after adjustments, and a 6% increase in the adjusted odds of having an infant born LGA (OR 1.06, CI 1.02-1.11). There was no association between subcutaneous fat depth and birthweight or LGA after covariate adjustments. Hence, visceral fat depth measured by ultrasound in early mid pregnancy was associated with excessive fetal growth, independent of early pregnancy BMI, and may be useful in models for predicting LGA infants.
12.	Lindberger, Emelie, et al. (author) Associations of ultrasound estimated early mid pregnancy visceral and subcutaneous fat depths and early pregnancy BMI with adverse neonatal outcomes 2021 In: Scientific Reports. - : Springer Nature. - 2045-2322. ; 11:1 Journal article (peer-reviewed)abstract This study investigated whether maternal central adiposity and body mass index (BMI) were associated with neonatal hypoglycemia and adverse neonatal outcomes. A cohort study was performed at Uppsala University Hospital, Sweden, between 2015 and 2018. Visceral and subcutaneous fat depths were measured by ultrasound at the early second-trimester anomaly scan in 2771 women giving birth to singleton infants. Body mass index was assessed in early pregnancy. Logistic regression models were performed. Adjustments were made for age, BMI (not in model with BMI as exposure), smoking, maternal country of birth, and parity. Outcomes were neonatal hypoglycemia (blood glucose concentration < 2.6 mmol/l), a composite of adverse neonatal outcomes (Apgar < 7 at 5 min of age, or umbilical artery pH ≤ 7.0, or admission to neonatal intensive care unit), and the components of the composite outcome. Visceral and subcutaneous fat depths measured by ultrasound in early mid pregnancy were not associated with any of the outcomes in adjusted analyses. For every unit increase in BMI, the likelihood of neonatal hypoglycemia increased by 5% (aOR 1.05, 95% CI 1.01–1.10), the composite outcome by 5% (aOR 1.05, 95% CI 1.01–1.08), and admission to neonatal intensive care unit by 6% (aOR 1.06, 95% CI 1.02–1.10).
13.	Lindström, Linda, 1978-, et al. (author) Postnatal growth in children born small for gestational age with and without smoking mother 2019 In: Pediatric Research. - : Springer Science and Business Media LLC. - 0031-3998 .- 1530-0447. ; 85:7, s. 961-966 Journal article (peer-reviewed)abstract Background: Maternal smoking impairs fetal growth; however, if postnatal growth differs between children born small for gestational age (SGA) with smoking and non-smoking mother is unknown.Methods: Cohort-study of term born children born appropriate for gestational age with non-smoking mother (AGA-NS, n=30,561), SGA (birthweight <10th percentile) with smoking mother (SGA-S, n=171) or SGA with non-smoking mother (SGA-NS, n=1761). Means of height and weight measurements, collected at birth, 1.5, 3, 4 and 5 years, were compared using a generalized linear mixed effect model. Relative risks of short stature (<10th percentile) were expressed as adjusted risk ratios (aRR).Results: At birth, children born SGA-S were shorter than SGA-NS, but they did not differ in weight. At 1.5 years, SGA-S had reached the same height as SGA-NS. At 5 years, SGA-S were 1.1 cm taller and 1.2 kg heavier than SGA-NS. Compared with AGA-NS, SGA-S did not have increased risk of short stature at 1.5 or 5 years, while SGA-NS had increased risk of short stature at both ages; aRRs 3.0 (95% CI 2.6;3.4) and 2.3 (95% CI 2.0;2.7), respectively.Conclusions: Children born SGA-S have a more rapid catch-up growth than SGA-NS. This may have consequences for metabolic and cardiovascular health in children with smoking mothers.
14.	Maack, Heidrun Petursdottir, et al. (author) Maternal body mass index moderates antenatal depression effects on infant birthweight 2019 In: Scientific reports. - : Springer Science and Business Media LLC. - 2045-2322. ; 9:1, s. 6213- Journal article (peer-reviewed)abstract Obesity and depression are two common medical problems that pregnant women present with in antenatal care. Overweight and obesity at the beginning of the pregnancy, and excessive weight gain during pregnancy, are independent explanatory variables for fetal birthweight and independent risk factors for giving birth to a large for gestational age (LGA) infant. However, the effect of co-morbid depression has received little attention. This study set out to investigate if maternal body mass index (BMI) in early pregnancy moderates antenatal depression effects on infant birthweight. 3965 pregnant women participated in this longitudinal cohort study, where cases (n = 178) had Edinburgh Postnatal Depression Scale (EPDS) score ≥ 17 in gestational week 17 or 32, and remaining women (n = 3787) were used as controls. The influence of maternal BMI and antenatal depressive symptoms on standardized birthweight was evaluated by analysis of covariance, with adjustment for relevant confounders. Depressed women with BMI 25.0 kg/m2 or more gave birth to infants with significantly greater standardized birthweight than non-depressed overweight women, whereas the opposite pattern was noted in normal weight women (BMI by antenatal depressive symptoms interaction; F(1,3839) = 6.32; p = 0.012. The increased birthweight in women with co-prevalent overweight and depressive symptoms was not explained by increased weight gain during the pregnancy. Maternal BMI at the beginning of pregnancy seems to influence the association between antenatal depressive symptoms and infant birthweight, but in opposite directions depending on whether the pregnant women is normal weight or overweight. Further studies are needed to confirm our finding.
15.	Mulic-Lutvica, Ajlana, 1957-, et al. (author) Labor and puerperium 1998. - 1 In: Textbook of Perinatal Medicine. - London : Parthenon Pub. Group. - 1850709300 - 9781850709305 - 1850709203 - 9781850709206 ; , s. 386-400 Book chapter (other academic/artistic)
16.	Mulic-Lutvica, Ajlana, et al. (author) Longitudinal study of Doppler flow resistance indices of the uterine arteries after normal vaginal delivery 2007 In: Acta Obstetricia et Gynecologica Scandinavica. - : Wiley. - 0001-6349 .- 1600-0412. ; 86:10, s. 1207-1214 Journal article (peer-reviewed)abstract Objectives. To measure Doppler flow resistance indices in the uterine arteries, and to observe when the early diastolic notches appear during the normal puerperium. Methods. Some 45 women took part in this prospective longitudinal study after normal, vaginal delivery. Ultrasound examinations were scheduled for days 1, 3, 7, 14, 28 and 56 postpartum. A transabdominal probe was used during the first two postpartum weeks, and a transvaginal probe for the later examinations. The pulsatility (PI) and resistance (RI) indices in the uterine arteries were measured, and the presence or absence of early diastolic notches was recorded. Results. Compared to day one, the resistance indices did not change markedly until day 28 postpartum. The mean PI was 1.23 at day 1, 1.22 at day 3, 1.22 at day 7, 1.33 at day 14, 1.81 at day 28, and 2.25 at day 56. The mean RI was 0.65 at day 1, 0.65 at day 3, 0.66 at day 7, 0.65 at day 14, 0.77 at day 28, and 0.84 at day 56. The presence of at least 1 uterine artery notch was found in 13.3% of the women at day 1, and in 90.6% at day 56 postpartum. Bilateral notches were recorded in 6.7% of the women at day 1, and in 84.4% at day 56 postpartum. Conclusion. Reference values of the resistance indices from uncomplicated puerperium are needed when the diagnostic efficacy of Doppler ultrasound for pathological conditions is to be tested. This study confirms that the time needed for the vascular physiology to revert from a pregnant to a non-pregnant state appears to be longer than previously assumed.
17.	Mulic-Lutvica, Ajlana, 1957- (author) Postpartum Ultrasound 2011. - 3 In: Donald School Textbook of Ultrasound in Obstetrics and Gynecology. - New Delhi : Jaypee Brothers Medical Publishers (P) Ltd. - 9789350252598 ; , s. 519-537 Book chapter (peer-reviewed)
18.	Mulic-Lutvica, Ajlana, 1957- (author) Postpartum Ultrasound 2003. - 1 In: Donald School Textbook of Ultrasound in Obstetrics and Gynecology. - Boca Raton : Jaypee Brothers Medical Publishers (P) Ltd. - 1 84214 257 7 - 9781842142578 ; , s. 439-449 Book chapter (peer-reviewed)
19.	Mulic-Lutvica, Ajlana, 1957- (author) Postpartum Ultrasound 2008. - 2 In: Donald School Textbook of Ultrasound in Obstetrics and Gynecology. - New Delhi : Jaypee Brothers Medical Publishers (P) Ltd. - 9788184482027 - 8184482027 ; , s. 558-570 Book chapter (peer-reviewed)
20.	Mulic-Lutvica, Ajlana, 1957- (author) Postpartum Ultrasound 2007 Doctoral thesis (other academic/artistic)abstract This study was undertaken to investigate the involutional changes of the uterus and uterine cavity by ultrasound (US), gray-scale and Doppler, after normal delivery, and to compare with the corresponding findings from women with puerperal complications, particularly retained placental tissue (RPT). The overall design was exploratory and prospective, with the use of descriptive statistics for analysis. Forty-two women with uncomplicated vaginal term delivery were examined on post-partum days 1, 3, 7, 14, 28 and 56. The AP diameters of the uterus and uterine cavity and morphological findings were recorded. The maximum AP diameters of the uterus and uterine cavity diminished from 92.0 mm on day 1 to 38.9 mm at day 56 and from 15.8 mm at day 1 to 4.0 mm at day 56, respectively. The uterus was most often empty in the early and late puerperium while a mixed echo pattern over the whole cavity was found during mid puerperium (I).Seventy-nine women with secondary post partum hemorrhage (SPH) were examined on the day they presented with clinical symptoms. US revealed an echogenic mass in the uterine cavity in 17 of 18 patients treated surgically and histology confirmed placental tissue in 14 of these. Sixty-one patients with either an empty cavity or mixed echo pattern had an uneventful puerperal course after conservative treatment (II).AP diameters and morphological findings for 55 women with endometritis, 28 after caesarean section and 20 after manual evacuation of the placenta overlapped extensively with normal references (III).The physiological vascular involution studied in 45 women after normal delivery showed that PI and RI indices did not change significantly until day 28 postpartum. The presence of at least one uterine artery notch was found in 13.3% of the women at day 1 and in 90.6% at day 56 postpartum (IV).PI and RI values were measured and compared with reference values in 20 women with clinical suspicion of RPT who were to undergo surgical evacuation. Mean resistance indices were below the 10th percentile for eight of these 20 women, but overlapping was considerable. Doppler US has limited value as a diagnostic tool for RPT. The absence of a hyper-vascular area in the myometrium does not exclude RPT but an echogenic mass in the cavity is a sign of RPT (V).
21.	Mulic-Lutvica, Ajlana (author) Postpartum Ultrasound 2005 In: Donald School. ; , s. 439-449 chapter 35 Book chapter (peer-reviewed)
22.	Mulic-Lutvica, Ajlana, et al. (author) Postpartum ultrasound in women with postpartum endometritis after cesarean section and after manual evacuation of the placenta : Reply 2007 In: Acta Obstetricia et Gynecologica Scandinavica. - : Wiley. - 0001-6349 .- 1600-0412. ; 86:8, s. 1020-1021 Journal article (peer-reviewed)
23.	Mulic-Lutvica, Ajlana, et al. (author) Postpartum ultrasound in women with postpartum endometritis, after cesarean section and after manual evacuation of the placenta 2007 In: Acta Obstetricia et Gynecologica Scandinavica. - : Wiley. - 0001-6349 .- 1600-0412. ; 86:2, s. 210-217 Journal article (peer-reviewed)abstract Objectives. To measure anteroposterior (AP) diameters, and to describe qualitative findings of the uterus and the uterine cavity in women with postpartum endometritis, after caesarean section (CS) and after manual evacuation of the placenta, and to compare these women with those in a normal puerperium. Methods. A prospective, descriptive, observational study of 103 postpartum women was conducted. Fifty-five women had clinical symptoms of postpartum endometritis, 28 had undergone CS, and 20 had manual placental evacuation. Ultrasound examinations were scheduled for days 1, 3, 7, 14, 28 and 56 postpartum. Women with endometritis underwent their first examination on the day they presented with clinical symptoms. Results. The AP diameters of the uterus and uterine cavity in all three groups overlapped considerably with the reference values. On day 56 postpartum, the uterus had achieved the same dimensions as found in our reference population. Compared with the reference group, during early puerperium, an empty cavity was less common among women with the three study conditions, and gas was present more often after CS and after manual evacuation of the placenta. An anteverted position of the uterus was less common among women with endometritis on day 14 and 28 postpartum, and among women delivered by CS on days 7, 14 and 28 postpartum. The incision site in the lower uterine segment was visible after CS. Conclusion. The ultrasonic findings in women with postpartum endometritis, after CS and after manual evacuation of the placenta, do not differ substantially from those during an uncomplicated puerperium. A delayed uterine involution process might explain the slight morphological differences observed.
24.	Mulic-Lutvica, Ajlana, et al. (author) Ultrasonic evaluation of the uterus and uterine cavity after normal, vaginal delivery 2001 In: Ultrasound Obstet Gynecol. ; 18, s. 491-498 Journal article (peer-reviewed)
25.	Mulic-Lutvica, Ajlana, et al. (author) Ultrasound finding of an echogenic mass in women with secondary postpartum hemorrhage is associated with retained placental tissue 2006 In: Ultrasound in Obstetrics and Gynecology. - : Wiley. - 0960-7692 .- 1469-0705. ; 28:3, s. 312-319 Journal article (peer-reviewed)abstract Objectives: To describe sonographic findings associated with retained placental tissue in patients with secondary postpartum hemorrhage, and to compare these findings with those of women with a normal puerperium. Methods: This was a prospective observational study of 79 women with secondary postpartum hemorrhage. Ultrasound examinations were performed on the day the patients presented with clinical symptoms and were scheduled for postpartum days 1, 3, 7, 14, 28 and 56, continuing until uterine surgical evacuation was performed or until the bleeding stopped. The maximum anteroposterior (AP) diameters of the uterus and uterine cavity were measured and morphological findings in the cavity were recorded. The findings were compared with previously published results from a normal population. Results: The patients were divided into two groups. Group 1 (n = 18) underwent surgery and Group 2 (n = 61) was treated conservatively. Sonography revealed an echogenic mass in the uterine cavity in 17 patients from Group 1, and in 14 of these patients histology confirmed placental tissue. The AP diameter of the uterine cavity was above the 90 th percentile in all but two of the 18 Group 1 patients. In 18 patients from Group 2 the cavity was empty and in 43 a mixed-echo pattern was found. The uterine cavity was wider compared with the controls, but the values largely overlapped. Conclusion: This report supports the opinion that the sonographic finding of an echogenic mass in the uterine cavity in women with secondary postpartum hemorrhage is associated with retained placental tissue.
26.	Mulic-Lutvica, Ajlana, et al. (author) Uterine artery Doppler ultrasound in postpartum women with retained placental tissue 2009 In: Acta Obstetricia et Gynecologica Scandinavica. - : Wiley. - 0001-6349 .- 1600-0412. ; 88:6, s. 724-728 Journal article (peer-reviewed)abstract We measured prospectively uterine artery Doppler flow resistance indices and looked for hyper-vascular areas in 20 patients who were to undergo surgical evacuation due to clinical and ultrasound-based suspicion of retained placental tissue (RPT). We compared these findings with those of the normal puerperium. All 20 patients underwent surgical procedures. Placental tissue was histologically confirmed in 19 patients. Mean pulsatility and mean resistance values were below the 10th percentile for eight and seven women, respectively, but overlapping was extensive. A hyper-vascular area was observed in 12 patients with histological confirmation. In eight cases, six of them with histological confirmation, no hyper-vascular area was observed. Although RPT is associated with lower resistance indices in the uterine arteries, this knowledge has limited value as a diagnostic tool for RPT. Absence of a hyper-vascular area in the myometrium does not exclude RPT, but its presence is common finding associated with RPT and should not be misinterpreted as an arterio-vascular malformation.
27.	Nyflot, Lill T., et al. (author) The impact of cardiovascular diseases on maternal deaths in the Nordic countries 2021 In: Acta Obstetricia et Gynecologica Scandinavica. - : John Wiley & Sons. - 0001-6349 .- 1600-0412. ; 100:7, s. 1273-1279 Journal article (peer-reviewed)abstract Introduction Cardiovascular diseases have become increasingly important as a cause of maternal death in the Nordic countries. This is likely to be associated with a rising incidence of pregnant women with congenital and acquired cardiac diseases. Through audits, we aim to prevent future maternal deaths by identifying causes of death and suboptimal factors in the clinical management. Material and methods Maternal deaths in the Nordic countries from 2005 to 2017 were identified through linked registers. The national audit groups performed case assessments based on hospital records, classified the cause of death, and evaluated the standards of clinical care provided. Key messages were prepared to improve treatment. Results We identified 227 maternal deaths, giving a maternal mortality rate of 5.98 deaths per 100 000 live births. The most common cause of death was cardiovascular disease (n = 36 deaths). Aortic dissection/rupture, myocardial disease, and ischemic heart disease were the most common diagnoses. In nearly 60% of the cases, the disease was not recognized before death. In more than half of the deaths, substandard care was identified (59%). In 11 deaths (31%), improvements to care that may have made a difference to the outcome were identified. Conclusions Between 2005 and 2017, cardiovascular diseases were the most common causes of maternal deaths in the Nordic countries. There appears to be a clear potential for a further reduction in these maternal deaths. Increased awareness of cardiac symptoms in pregnant women seems warranted.
28.	Pétursdóttir Maack, Heiðrún, et al. (author) Ultrasound estimated subcutaneous and viscaral adipose tissue thickness and risk of pre-eclampsia 2024 In: Scientific Reports. - Uppsala. - 2045-2322. Journal article (peer-reviewed)abstract ObjectivesEarly identification of high-risk pregnancies enables identification of those who would benefit from aspirin prophylaxis and increased surveillance for pre-eclampsia. A high body mass index (BMI) is a well-known predictor for pre-eclampsia. However, if abdominal adipose tissue distribution is associated with pre-eclampsia is limited investigated.MethodsSubcutaneous adipose tissue (SAT) thickness and visceral adipose tissue (VAT) thickness were measured by ultrasound on 3777 women at around 18 gestational weeks. SAT thickness was measured from the skin to linea alba and VAT from linea alba to the anterior aortic wall. The risk of developing pre-eclampsia (de novo hypertension at ≥20 gestational weeks in combination with proteinuria) was evaluated by logistic regression and expressed as odds ratio (OR) with 95% confidence intervals (CI). ResultsThe risk of pre-eclampsia increased by 79% for every cm in SAT thickness (OR 1.79; 95% CI 1.48-2.17) and by 23% for every cm VAT thickness (OR 1.23; 95% CI 1.11-1.35). After adjustment for maternal age, parity, BMI, smoking and country of birth, the association between SAT thickness and pre-eclampsia remained (AOR 1.35; 95% CI 1.02-1.79).ConclusionsGreater SAT thickness measured with second trimester ultrasound is associated with increased risk of developing pre-eclampsia. The measurement may improve prediction models for pre-eclampsia.
29.	Pétursdóttir Maack, Heidrun, et al. (author) Ultrasound estimated subcutaneous and visceral adipose tissue thicknesses and risk of pre-eclampsia 2021 In: Scientific Reports. - : Springer Nature. - 2045-2322. ; 11:1 Journal article (peer-reviewed)abstract Early identification of high-risk pregnancies enables identification of those who would benefit from aspirin prophylaxis and increased surveillance for pre-eclampsia. A high body mass index (BMI) is a well-known predictor for pre-eclampsia. However, if abdominal adipose tissue distribution is associated with pre-eclampsia is limited investigated. Subcutaneous adipose tissue (SAT) thickness and visceral adipose tissue (VAT) thickness were measured by ultrasound on 3777 women at around 18 gestational weeks. SAT thickness was measured from the skin to linea alba and VAT from linea alba to the anterior aortic wall. The risk of developing pre-eclampsia (de novo hypertension at >= 20 gestational weeks in combination with proteinuria) was evaluated by logistic regression and expressed as odds ratio (OR) with 95% confidence intervals (CI). The risk of pre-eclampsia increased by 79% for every cm in SAT thickness (OR 1.79; 95% CI 1.48-2.17) and by 23% for every cm VAT thickness (OR 1.23; 95% CI 1.11-1.35). After adjustment for maternal age, parity, BMI, smoking and country of birth, the association between SAT thickness and pre-eclampsia remained (AOR 1.35; 95% CI 1.02-1.79). Greater SAT thickness measured with second trimester ultrasound is associated with increased risk of developing pre-eclampsia. The measurement may improve prediction models for pre-eclampsia.
30.	Saleh Gargari, Soraya, et al. (author) Auditing the appropriateness of cesarean delivery using the Robson classification among women experiencing a maternal near miss 2019 In: International Journal of Gynecology & Obstetrics. - : Wiley. - 0020-7292 .- 1879-3479. ; 144:1, s. 49-55 Journal article (peer-reviewed)abstract Objective: To evaluate appropriateness of cesarean delivery and cesarean delivery‐related morbidity among maternal near misses (MNMs) using the Robson ten‐group classification system.Methods: In the present audit study, medical records were assessed for women who experienced MNM and underwent cesarean delivery at three university hospitals in Tehran, Iran, between March 1, 2012, and May 1, 2014. Local auditors assessed cesarean delivery indications and morbidity experienced. All records were re‐assessed using Swedish obstetric guidelines. Findings were reported using the Robson ten‐group classification system. Odds ratios (ORs) with 95% confidence intervals (CIs) were calculated.Results: Of the 61 women included, cesarean deliveries were more likely to be considered appropriate by local auditors compared with Swedish ones (OR 2.7, 95% CI 1.3–5.7). Cesarean delivery‐related morbidity was attributed to near‐miss events for 10 (16%) MNMs and was found to have aggravated 25 (41%). Of 16 women classified as Robson group 1–4, cesarean delivery‐related MNM was identified in 15 (94%), compared with 13 (43%) of 30 women in group 10. Cesarean delivery with appropriate indication was associated with very low likelihood of cesarean delivery‐related MNM (OR 0.2, 95% CI 0.1–0.6).Conclusion: Cesarean delivery in the absence of appropriate indication could be an unsafe delivery choice. Audits using the Robson classification system facilitate understanding inappropriate cesarean delivery and its impact on maternal health.
31.	Sohlberg, Sara, 1977-, et al. (author) In vivo(31)P-MR spectroscopy in normal pregnancy, early and late preeclampsia : A study of placental metabolism 2014 In: Placenta. - : Elsevier BV. - 0143-4004 .- 1532-3102. ; 35:5, s. 318-323 Journal article (peer-reviewed)abstract INTRODUCTION: Preeclampsia affects about 3% of pregnancies and the placenta is believed to play a major role in its pathophysiology. Lately, the role of the placenta has been hypothesised to be more pronounced in preeclampsia of early (<34 weeks) rather than late (≥34 weeks) onset. (31)P Magnetic Resonance Spectroscopy (MRS) enables non-invasive, in vivo studies of placental metabolism. Our aim was to study placental energy and membrane metabolism in women with normal pregnancies and those with early and late onset preeclampsia.METHODS: The study population included fourteen women with preeclampsia (five with early onset and nine with late onset preeclampsia) and sixteen women with normal pregnancy (seven with early and nine with late pregnancy). All women underwent a (31)P-MRS examination of the placenta.RESULTS: The phosphodiester (PDE) spectral intensity fraction of the total (31)P signal and the phosphodiester/phosphomonoester (PDE/PME) spectral intensity ratio was higher in early onset preeclampsia than in early normal pregnancy (p = 0.03 and p = 0.02). In normal pregnancy the PDE spectral intensity fraction and the PDE/PME spectral intensity ratio increased with increasing gestational age (p = 0.006 and p = 0.001).DISCUSSION: Since PDE and PME are related to cell membrane degradation and formation, respectively, our findings indicate increased cell degradation and maybe also decreased cell proliferation in early onset preeclampsia compared to early normal pregnancy, and with increasing gestational age in normal pregnancy.CONCLUSIONS: Our findings could be explained by increased apoptosis due to ischaemia in early onset preeclampsia and also increased apoptosis with increasing gestational age in normal pregnancy.
32.	Sohlberg, Sara, 1977-, et al. (author) MRI estimated placental perfusion in fetal growth assessment 2015 In: Ultrasound in Obstetrics and Gynecology. - : Wiley. - 0960-7692 .- 1469-0705. ; 46:6, s. 700-705 Journal article (peer-reviewed)abstract ObjectiveThis study aimed to evaluate placental perfusion fraction estimated by magnetic resonance imaging (MRI) in vivo as a marker of placental function.MethodsThe study population included 35 pregnant women, of whom 13 had preeclampsia, examined at gestational weeks 22 to 40. Each woman underwent, within a 24 hour period: a MRI diffusion-weighted sequence (from which we calculated the placental perfusion fraction); venous blood sampling; and an ultrasound examination including estimation of fetal weight, amniotic fluid index and Doppler velocity measurements. We compared the perfusion fraction in pregnancies with and without fetal growth restriction and estimated correlations between the perfusion fraction and ultrasound estimates and plasma markers with linear regression. The associations between the placental perfusion fraction and ultrasound estimates were modified by the presence of preeclampsia (p < 0.05) and therefore we included an interaction term between preeclampsia and the covariates in the models.ResultsThe median placental perfusion fraction in pregnancies with and without fetal growth restriction was 21% and 32%, respectively (p = 0.005). The correlations between the placental perfusion fraction and ultrasound estimates and plasma markers were highly significant (p-values 0.002 to 0.0001). The highest coefficient of determination (R2= 0.56) for placental perfusion fraction was found for a model including pulsatility index in ductus venosus, plasma level of sFlt1, estimated fetal weight and presence of preeclampsia.ConclusionThe placental perfusion fraction has potential to contribute to the clinical assessment in cases of placental insufficiency.
33.	Sohlberg, Sara, 1977- (author) Placental Function : An Epidemiological and Magnetic Resonance Study 2015 Doctoral thesis (other academic/artistic)abstract Placental function is central for normal pregnancy and in many of the major pregnancy disorders. We used magnetic resonance imaging techniques to investigate placental function in normal pregnancy, in early and late preeclampsia and in intrauterine growth restriction. We also investigated maternal body mass index and height, as risk factors for preeclampsia.A high body mass index and a short maternal stature increase the risk of preeclampsia, of all severities. The association seems especially strong between short stature and early preeclampsia, and a high body mass index and late preeclampsia. (Study I)Using diffusion-weighted magnetic resonance imaging, we found that the placental perfusion fraction decreases with increasing gestational age in normal pregnancy. Also, the placental perfusion fraction is smaller in early preeclampsia, and larger in late preeclampsia, compared with normal pregnancies. That these differences are in opposite directions, suggests that there are differences in the underlying pathophysiology of early and late preeclampsia. (Study II)Using magnetic resonance spectroscopy, we found that the phosphodiester spectral intensity fraction and the phosphodiester/phosphomonoester spectral intensity ratio increases with increasing gestational age. Also, we found that the phosphodiester spectral intensity fraction and the phosphodiester/phosphomonoester spectral intensity ratio are higher in early preeclampsia, compared with early normal pregnancy. These findings indicate increased apoptosis with increasing gestational age in normal pregnancy, and increased apoptosis in early preeclampsia. (Study III)The placental perfusion fraction is smaller in intrauterine growth restriction than in normal pregnancy. Fetal growth, Doppler blood flow in maternal and fetal vessels, infant birth weight and plasma markers of placental function are all correlated to the placental perfusion fraction. The placental perfusion fraction examination seems therefore to offer a fast, direct estimate of the degree of placental dysfunction. (Study IV)In conclusion: Our findings in studies I-III all support the hypothesis of partly different pathophysiology between early and late preeclampsia, and suggest a strong link between early preeclampsia and placental dysfunction. Study IV shows that the placental perfusion fraction has potential to contribute to the clinical assessment of placental dysfunction.
34.	Sohlberg, Sara, 1977-, et al. (author) Placental perfusion in normal pregnancy and early and late preeclampsia : A magnetic resonance imaging study. 2014 In: Placenta. - : Elsevier BV. - 0143-4004 .- 1532-3102. ; 35:3, s. 202-206 Journal article (peer-reviewed)abstract OBJECTIVE: Our primary aim was to investigate if women with early or late preeclampsia have different placental perfusion compared with normal pregnancies. A secondary aim was to investigate if placental perfusion changes with increasing gestational age in normal pregnancy.METHODS: The study population included thirteen women with preeclampsia (five with early and eight with late preeclampsia) and nineteen women with normal pregnancy (ten with early and nine with late pregnancy). Early was defined as <34 weeks and late as ≥34 weeks gestation. All women underwent a magnetic resonance imaging (MRI) examination including a diffusion weighted sequence at 1.5 T. The perfusion fraction was calculated.RESULTS: Women with early preeclampsia had a smaller placental perfusion fraction (p = 0.001) and women with late preeclampsia had a larger placental perfusion fraction (p = 0.011), compared to women with normal pregnancies at the corresponding gestational age. The placental perfusion fraction decreased with increasing gestational age in normal pregnancies (p = 0.001).CONCLUSION: Both early and late preeclampsia differ in placental perfusion from normal pregnant women. Observed differences are however in the opposite direction, suggesting differences in pathophysiology. Placental perfusion decreases with increasing gestational age in normal pregnancy.

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