Overview YAZ, Oral Contraceptive Registration in China Status: Completed Trial end date: 2011-01-01 Target enrollment: Participant gender: Summary The purpose of this study is to evaluate the effectiveness in terms of prevention of pregnancy and safety of the oral contraceptive YAZ in healthy Chinese women. Phase: Phase 3 Details Lead Sponsor: BayerTreatments: Contraceptive AgentsContraceptives, OralDrospirenoneEthinyl Estradiol