Methods of contraception.
D003267:Contraception / Q000379:methods*; D003270:Contraceptive Agents; D003273:Contraceptive Devices; D003276:Contraceptives, Oral; D005260:Female; D006801:Humans; D007434:Intrauterine Devices; D008297:Male
D003270:Contraceptive Agents; D003276:Contraceptives, Oral