Acceptability of the contraceptive Sayana® Press when injected every four months: Results from a twelve-month trial in Brazil, Chile and the Dominican Republic.

We assessed the acceptability of subcutaneous depot-medroxyprogesterone acetate 104 mg (Sayana® Press) when injected every 4 months for 12 months. We assessed acceptability using questionnaires within a clinical trial to evaluate contraceptive effectiveness of Sayana® Press when the reinjection interval was extended from 3 to 4 months. We enrolled 750 women aged 18 to 35 years and at risk of pregnancy at 3 centers in Brazil, Chile, and the Dominican Republic who agreed to use Sayana® Press every 4 months for 12 months. Acceptability outcomes included responses to questions about perception of bleeding patterns and side effects, likes, and dislikes about the regimen. We descriptively compared outcomes across study centers and between those who completed the study and those who discontinued early. Across the 3 centers, participants differed in age, marital status, years of schooling, and race. At the final visit, 90% reported being satisfied with Sayana® Press and 75% reported preferring to use this contraceptive every 4 months. The most common reasons women liked using Sayana® Press were for its duration of effectiveness, followed by amenorrhea. The most common dislike, when a reason was identified, was its effect on uterine bleeding, including amenorrhea reported by some participants. We also observed center-level differences in the proportion of women who liked amenorrhea. Satisfaction with Sayana® Press injected every 4 months was high across the 3 demographically diverse Latin-American centers. However, participants had varied feelings towards contraceptive-induced amenorrhea. We found that Sayana® Press when injected every 4 months was highly acceptable among women in 3 Latin American settings despite differences in their feelings toward contraceptive-induced amenorrhea. Our results suggest that there will be interest in using this method every 4 months if introduced into these settings.

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