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标题：Three-year observational study of immediate post-abortion insertion versus menstrual insertion of etonogestrel contraceptive implant
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作者：Wanren Zheng ; Yibo Tang ; Chunfen Wang 等
期刊名称：BMC Women's Health
印刷版ISSN：1472-6874
电子版ISSN：1472-6874
出版年度：2021
卷号：21
DOI：10.1186/s12905-021-01542-8
语种：English
出版社：BioMed Central
摘要：Objective This study aimed to estimate the difference in vaginal bleeding pattern, discontinuation rate, and satisfaction between immediate after abortion and menstrual insertions of etonogestrel contraceptive implants. Study design Between May 2013 and November 2015, 66 women were recruited in the abortion group who selected etonogestrel implants as their contraceptive immediately after induced abortion. 84 women who underwent the placement of the etonogestrel implant during their menstrual period were enrolled as the menstrual group. The two groups participated in 3-year follow-up outpatient visits at 1, 6, 12, 24, and 36 months after implantation. The vaginal bleeding pattern, discontinuation rate, satisfaction rate were recorded and compared. Results No woman had pregnancy over the study period of 3 years. The incidence of amenorrhea/infrequent bleeding did not differ between the two groups after 12, 24, and 36 months of implantation (53.0% vs. 58.4%, 47.8% vs. 51.6%, and 48.6% vs. 55.6%, respectively). In the abortion group, the incidences of frequent/prolonged bleeding were 15.1%, 32.6%, and 27.0% after 12, 24, and 36 months of implantation, respectively, while the other group showed 27.3%, 25.8%, and 20.4%, respectively. After 12 and 24 months, the continuation use rates were 69.7% and 56.1% in the abortion group and 73.8% and 64.2% in the menstrual group. The 12-month satisfaction rate between abortion group and menstrual group was 69.6% versus 72.6%. Statistical analyses show that there was no difference in vaginal bleeding pattern, discontinuation rate or satisfaction between the two groups. Conclusions Immediately post-abortion may be also a favorable time to undergo etonogestrel implantation.
关键词：Etonogestrel implant; Vaginal bleeding pattern; Abortion; Contraception