[NuvaRing].
D000282:Administration, Intravaginal; D000293:Adolescent; D000328:Adult; D003271:Contraceptive Agents, Female / Q000008:administration & dosage*; D016503:Drug Delivery Systems; D004967:Estrogens / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D008019:Life Style; D012725:Sexual Behavior
D003271:Contraceptive Agents, Female; D004967:Estrogens