Contraceptive Failures in Overweight and Obese Combined Hormonal Contraceptive Users
McNicholas C, Zhao Q, Secura G, Allsworth J, Madden T, Peipert J. Contraceptive Failures in Overweight and Obese Combined Hormonal Contraceptive Users. Obstetrics And Gynecology 2013, 121: 585-592. PMID: 23635622, PMCID: PMC4009704, DOI: 10.1097/aog.0b013e31828317cc.Peer-Reviewed Original ResearchConceptsOral contraceptive pillsBody mass indexUnintended pregnancyContraceptive failureVaginal ringPrevious unintended pregnancyHormonal contraceptive usersSignificant risk factorsVaginal ring usersContraceptive vaginal ringContraceptive failure ratesFailure rateContraceptive studyBMI categoriesMass indexContraceptive pillsObese femalesContraceptive usersRisk factorsRing usersTransdermal patchPregnancyReversible methodFailureFemales