Residual hormone levels in used contraceptive rings as a measurement of adherence to vaginal ring use.
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ABSTRACT:
SUBMITTER: Haaland RE
PROVIDER: S-EPMC5551387 | biostudies-literature | 2017 Jun
REPOSITORIES: biostudies-literature
Publications
Residual hormone levels in used contraceptive rings as a measurement of adherence to vaginal ring use.
Haaland Richard E RE Holder Angela A Evans-Strickfaden Tammy T Nyagol Beatrice B Makanga Mumbi M Oyaro Boaz B Humwa Felix F Williams Tiffany T McLellan-Lemal Eleanor E Desai Mitesh M Huey Michael J MJ
Contraception 20170401 6
<h4>Objective</h4>This study sought to measure residual contraceptive hormone levels in vaginal rings as an adherence marker for monitoring product use in clinical trials.<h4>Study design</h4>Residual etonogestrel and ethinyl estradiol levels from used NuvaRings® of 26 self-reported adherent women enrolled in a clinical trial of vaginal ring acceptability were compared to those from 16 women who used NuvaRing® as their contraceptive choice.<h4>Results</h4>Twenty-one (81%) clinical trial rings ha ...[more]
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