Efficacy and Safety of Oral NOMAC-E2 in Indian Women (P07057/MK-8175A-017)

Inclusion Criteria: * Sexually active and at risk for pregnancy * Of Indian descent, born in India, never emigrated out of India, with Indian home address * Body mass index (BMI) ≥17 and ≤35 kg/m\^2 Exclusion Criteria: * Presence or history of venous or arterial thrombotic/thromboembolic events or cerebrovascular accident * Presence or history of prodromi of a thrombosis * History of migraine with focal neurological symptoms * Diabetes mellitus with vascular involvement * Presence of a severe or multiple risk factor(s) for venous or arterial thrombosis * Severe hypertension * Severe dyslipoproteinemia * Presence or history of pancreatitis associated with severe hypertriglyceridemia * Presence or history of severe hepatic disease * Undiagnosed vaginal bleeding * Known or suspected pregnancy * Currently breastfeeding or breastfeeding within 2 months of starting trial medication \- Investigational drug use or participation in another clinical trial within 2 months of signing Informed Consent Form for current trial