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- Lundin, C., et al.
(author)
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There is no association between combined oral hormonal contraceptives and depression : a Swedish register-based cohort study
- 2022
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In: British Journal of Obstetrics and Gynecology. - : John Wiley & Sons. - 1470-0328 .- 1471-0528. ; 129:6, s. 917-925
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Journal article (peer-reviewed)abstract
- Objective: To investigate whether users of hormonal contraceptives (HCs) are at increased risk of depression compared with non-users. Design: Register-based cohort study.Setting: Sweden.Sample: Women aged 15–25 years between 2010 and 2017 with no prior antidepressant treatment, psychiatric diagnose or contraindication for HCs (n = 739 585).Methods: Women with a prescription of HC were identified via the Swedish Prescribed Drug Register (SPDR). Relative risks (RRs) for first depression diagnosis in current HC-users compared with non-users were modelled by Poisson regression. Adjustments included age, medical indication for HC-use and parental history of mental disorders, among others.Main outcome measures: Depression, captured by a redeemed prescription of antidepressant treatment, or a first depression diagnosis in the SPDR and the National Patient Register.Results: Compared with non-users, women on combined oral contraceptives (COCs) and oral progestogen-only products had lower or no increased risk of depression, relative risk (RR) 0.89 (95% CI 0.87–0.91) and 1.03 (95% CI 0.99–1.06) after adjustments, respectively. Age-stratified analyses demonstrated that COC use in adolescents conferred no increase in risk (RR 0.96, 95% CI 0.93–0.98), whereas use of progestogen-only pills (RR 1.13, 95% CI 1.07–1.19), contraceptive patch/vaginal ring (RR 1.43, 95% CI 1.30–1.58), implant (RR 1.38, 95% CI 1.30–1.45) or a levonorgestrel intrauterine device (RR 1.59, 95% CI 1.46–1.73) were associated with increased risks.Conclusions: This study did not find any association between use of COCs, which is the dominating HC in first time users, and depression. Non-oral products were associated with increased risks. Residual confounding must be addressed in the interpretation of the results. Tweetable abstract: There is no association between combined hormonal contraceptives and depression.
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- Bizjak, I., et al.
(author)
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Efficacy and safety of very early medical termination of pregnancy: a cohort study
- 2017
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In: BJOG: An International Journal of Obstetrics and Gynaecology. - : Wiley. - 1470-0328 .- 1471-0528. ; 124:13, s. 1993-1999
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Journal article (peer-reviewed)abstract
- © 2017 Royal College of Obstetricians and Gynaecologists Objective: To assess the efficacy and safety of medical termination of pregnancy (MTOP) when no intrauterine pregnancy (IUP) is confirmed on ultrasound. Design: Retrospective case-note review. Setting: Two gynaecological clinics in Vienna, Austria, and Gothenburg, Sweden. Population: All women with gestations of ≤49days undergoing an MTOP during 2004–14 (Vienna) and 2012–15 (Gothenburg). Methods: Two study cohorts were created: women with and women without a confirmed IUP. An IUP was defined as the intrauterine location of a yolk sac or fetal structure visible by ultrasound. Women with an IUP were selected randomly and included in the IUP cohort. Main outcome measures: Efficacy of MTOP, defined as no continuing pregnancy and with no need of surgery for incomplete TOP. Results: After excluding 11 women diagnosed with an extra-uterine or molar pregnancy, 2643 cases were included in the final analysis; 1120 (98.2%) had a successful TOP in the no-IUP group, compared with 1458 (97.1%) in the IUP group, with a risk difference of 1.09% (95% confidence interval, 95%CI, −0.14, 2.32%; P=0.077). Significantly more women with confirmed IUP were diagnosed with incomplete TOP, and were treated with either surgery or additional medical treatment of misoprostol [64 (4.3%) versus 21 (1.8%); risk difference −2.42%; 95%CI −3.9, −1.1%; P < 0.001]. Conclusions: There was no difference between the groups in efficacy of MTOP, whereas early treatment resulted in significantly fewer interventions for incomplete TOP. The risk of ectopic pregnancy needs to be considered if treatment is initiated before an IUP is confirmed, but with structured clinical protocols the possibility of the early detection of an ectopic pregnancy in an asymptomatic phase may increase. Tweetable abstract: MTOP before confirmed intrauterine pregnancy is as effective as at later gestation with less incomplete TOP.
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