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Effect of second-tr...
Effect of second-trimester sonographic cervical length on the risk of spontaneous preterm delivery in different risk groups : a prospective observational multicenter study
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- Wikström, Tove (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för obstetrik och gynekologi,Institute of Clinical Sciences, Department of Obstetrics and Gynecology
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- Hagberg, Henrik, 1955 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för obstetrik och gynekologi,Institute of Clinical Sciences, Department of Obstetrics and Gynecology
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- Jacobsson, Bo, 1960 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för obstetrik och gynekologi,Institute of Clinical Sciences, Department of Obstetrics and Gynecology
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- Kuusela, Pihla (författare)
- Södra Älvsborg Hospital, Borås, Sweden,South Elfsborg Hospital
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- Wesström, Jan (författare)
- Center for Clinical Research Dalarna, Falu Hospital, Falun, Sweden,Falun Central Hospital
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- Lindgren, Peter (författare)
- Karolinska Institutet,Karolinska Institute,Karolinska University Hospital
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- Fadl, Helena, 1965- (författare)
- Örebro University,Örebro universitet,Institutionen för medicinska vetenskaper,Region Örebro län,Department of Obstetrics and Gynecology
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- Wennerholm, Ulla-Britt, 1948 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för obstetrik och gynekologi,Institute of Clinical Sciences, Department of Obstetrics and Gynecology
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- Valentin, Lil (författare)
- Lund University,Lunds universitet,Obstetrisk, gynekologisk och prenatal ultraljudsdiagnostik,Forskargrupper vid Lunds universitet,Obstetric, Gynaecological and Prenatal Ultrasound Research,Lund University Research Groups,Skåne University Hospital
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(creator_code:org_t)
- 2021-07-22
- 2021
- Engelska.
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Ingår i: Acta Obstetricia et Gynecologica Scandinavica. - : John Wiley & Sons. - 0001-6349 .- 1600-0412. ; 100:9, s. 1644-1655
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Abstract
Ämnesord
Stäng
- INTRODUCTION: The aim of the study is to compare the effect of cervical length measured with transvaginal ultrasound in the second trimester on the risk of spontaneous preterm delivery between different risk groups of asymptomatic women with a singleton pregnancy.MATERIAL AND METHODS: This is a pre-planned exploratory analysis of the CERVIX study, a prospective blinded multicenter diagnostic accuracy study. Asymptomatic women with a singleton pregnancy were consecutively recruited at their second-trimester routine ultrasound examination at seven Swedish ultrasound centers. Cervical length was measured with transvaginal ultrasound at 18-20 weeks (Cx1; n=11 072) and 21-23 weeks (Cx2, optional; n=6288). The effect of cervical length on the risk of spontaneous preterm delivery and its discriminative ability was compared between women with: i. previous spontaneous preterm delivery, late miscarriage or cervical conization (high-risk group; n=1045); ii. nulliparae without risk factors (n=5173); iii. parae without risk factors (n=4740). Women with previous indicated preterm delivery were excluded (n=114). Main outcome measures were: effect of cervical length on the risk of spontaneous preterm delivery expressed as odds ratio per 5 mm decrease in cervical length with interaction analysis using logistic regression to test if the effect differed between groups, area under the receiver operating characteristic curve (AUC), sensitivity, specificity, number needed to screen to detect one spontaneous preterm delivery.RESULTS: The effect of cervical length at Cx2 on the risk of spontaneous preterm delivery <33 weeks was similar in all groups (odds ratios 2.26 to 2.58, interaction P-value 0.91). The discriminative ability at Cx2 was superior to that at Cx1 and was similar in all groups (AUC 0.69 to 0.76). Cervical length ≤25 mm at Cx2 identified 57% of spontaneous preterm deliveries <33 weeks in the high-risk group with number needed to screen 161. The number needed to screen for groups ii and iii were 1018 and 843.CONCLUSIONS: The effect of cervical length at 21-23 weeks on the risk of spontaneous preterm delivery <33 weeks is similar in high- and low-risk pregnancies. The differences in number needed to screen should be considered before implementing a screening program.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Reproduktionsmedicin och gynekologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Obstetrics, Gynaecology and Reproductive Medicine (hsv//eng)
Nyckelord
- Preterm delivery
- cervical length measurement
- diagnostic screening program
- high-risk
- pregnancy
- preterm birth
- second trimester
- ultrasonography
- cervical length measurement
- diagnostic screening program
- high-risk
- pregnancy
- preterm birth
- preterm delivery
- second trimester
- ultrasonography
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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- Av författaren/redakt...
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Wikström, Tove
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Hagberg, Henrik, ...
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Jacobsson, Bo, 1 ...
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Kuusela, Pihla
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Wesström, Jan
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Lindgren, Peter
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Fadl, Helena, 19 ...
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Wennerholm, Ulla ...
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Valentin, Lil
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- Om ämnet
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- MEDICIN OCH HÄLSOVETENSKAP
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och Klinisk medicin
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Acta Obstetricia ...
- Av lärosätet
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Örebro universitet
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Lunds universitet
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Karolinska Institutet
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Göteborgs universitet