[Changes in the menstrual cycle by the use of oral gestagenic drugs].
D003271:Contraceptive Agents, Female; D045166:Estradiol Congeners; D004967:Estrogens / Q000494:pharmacology*; D005260:Female; D006801:Humans; D008597:Menstrual Cycle; D008598:Menstruation / Q000494:pharmacology*; D019242:Oral Medicine; D011372:Progestins
D003271:Contraceptive Agents, Female; D045166:Estradiol Congeners; D004967:Estrogens; D011372:Progestins
ESTROGENS/pharmacology; MENSTRUATION/pharmacology