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. Obstetrical & Gynecological Survey 2013, 68: 736-737. DOI: 10.1097/01.ogx.0000435765.37327.d9.Peer-Reviewed Original ResearchBody mass indexSignificant risk factorsContraceptive failureUnintended pregnancyVaginal ringMass indexObese femalesRisk factorsPrevious unintended pregnancyProspective cohort studyIdeal body weightHormonal contraceptive usersContraceptive vaginal ringContraceptive failure ratesReproductive age femalesReversible contraceptive methodsFailure rateContraceptive CHOICE ProjectSt Louis areaCohort studyObese womenBMI categoriesClinical outcomesHormonal contraceptionContraceptive users