Choice of contraceptives.
D000328:Adult; D003267:Contraception / Q000379:methods*; D003271:Contraceptive Agents, Female; D003273:Contraceptive Devices; D003276:Contraceptives, Oral; D005260:Female; D006801:Humans; D008297:Male
D003271:Contraceptive Agents, Female; D003276:Contraceptives, Oral