Place and timing of contraception and sterilization.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D003267:Contraception; D003273:Contraceptive Devices; D003276:Contraceptives, Oral; D005193:Family Planning Services; D005194:Family Practice; D005260:Female; D006801:Humans; D008297:Male; D009042:Motivation; D049590:Postpartum Period; D011247:Pregnancy; D012106:Research; D012736:Sex Education; D013245:Sterilization, Reproductive; D013997:Time Factors
D003276:Contraceptives, Oral