Amy Steinkellner|William Chen|Shannon E. Denison
Adherence to Oral Contraception in Women on Category X Medications
h2abstracth2h3backgroundh3 6 women become pregnant taking teratogenic medications contraceptive counseling appears occur suboptimal rates adherence contraception important component preventing unwanted pregnancy evaluated population undertook pharmacy claimsbased analysis evaluate degree women childbearing age receive category x medications adhere oral contraception h3methodsh3 evaluated prescription medication claims 6 million women age 1844 years prescription benefits administered pharmacy benefits manager women 2 claims category x medication 2 claims oral contraception evaluated detail adherence oral contraception measured analyzing pharmacy claims multivariable logistic regression performed identify factors associated adherence h3resultsh3 146758 women childbearing age received category x medications 26136 also took oral contraceptive medication women received category x medications prescribed oral contraception 18 rates similar others childbearing age 17 women prescribed category x oral contraception demonstrated adherence similar overall population age class category x medication number medications prescribers specialty ethnicity correlated lower adherence rates h3conclusionsh3 despite added risk associated unintended pregnancy many women receive category x medications refill patterns suggesting nonadherence oral contraception compared women age 1844 years women receiving teratogenic medications better adherence oral contraception