CONTROL OF FERTILITY.
D003270:Contraceptive Agents; D003276:Contraceptives, Oral; D004958:Estradiol; D005260:Female; D005298:Fertility; D006801:Humans; D011374:Progesterone
D003270:Contraceptive Agents; D003276:Contraceptives, Oral; D011374:Progesterone; D004958:Estradiol
CONTRACEPTIVES, ORAL; ESTRADIOL; PROGESTERONE