[The use of oral ovulation-inhibitor hormones. Preliminary report].
D000328:Adult; D003276:Contraceptives, Oral; D005260:Female; D006801:Humans; D011247:Pregnancy; D011372:Progestins / Q000627:therapeutic use*
D003276:Contraceptives, Oral; D011372:Progestins
Uso de hormonas orales inhibidoras de ovulación.