期刊
CONTRACEPTION
卷 103, 期 1, 页码 26-31出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.contraception.2020.09.005
关键词
Intrauterine device; Intrauterine system; Fertility; Gravidity; Liletta
资金
- Medicines360
The study evaluated reproductive function in nulligravid and gravid women after discontinuation of the levonorgestrel 52 mg intrauterine system (IUS). It found that women had rapid return of fertility in the year post-removal, with fertility rates not varying based on gravidity, parity, age at discontinuation, or duration of IUS use.
Objective: Evaluate reproductive function in nulligravid and gravid women after levonorgestrel 52 mg intrauterine system (IUS) discontinuation based on time to pregnancy. Study design: We evaluated women participating in the ACCESS IUS multicenter, Phase 3, open-label clinical trial of the Liletta((R)) levonorgestrel 52 mg IUS who discontinued the IUS within 60 months of use and desired pregnancy. Study staff contacted participants every three months after IUS discontinuation for up to 12 months to determine whether pregnancy occurred. We excluded women who opted to stop attempting to conceive before 12 months. We evaluated 12-month conception rates in participants 16-35 years at IUS placement, comparing dichotomous outcomes using Fisher's exact test. We performed a multivariable analysis to assess the association of baseline characteristics, age at discontinuation, duration of IUS use, and positive sexually transmitted infection testing during IUS use with conception. Results: Among 165 women who attempted to conceive, 142 (86.1%) did so within 12 months with a median time to conception of 92 days. The 12-month conception rates did not differ between nulligravid (66/76 [86.8%]) and gravid (76/89 [85.4%]) women (p = 0.83) and nulliparous (78/90 [86.7%]) and parous (64/75 [85.3%]) women (p = 0.83). In multivariable analysis, only obesity (aOR 0.3 [95% CI 0.1-0.8]) was associated with ability to conceive. Conclusions: After levonorgestrel 52 mg IUS discontinuation, women have rapid return of fertility in the year post-removal. Fertility rates after IUS removal do not vary based on gravidity, parity, age at discontinuation, or duration of IUS use. (C) 2020 Elsevier Inc. All rights reserved.
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