A pill-a-month contraceptive.
D001706:Biopsy; D003276:Contraceptives, Oral / Q000008:administration & dosage* / Q000009:adverse effects; D004717:Endometrium / Q000033:anatomy & histology; D004962:Estranes / Q000008:administration & dosage* / Q000009:adverse effects; D005260:Female; D006801:Humans; D008598:Menstruation; D011247:Pregnancy
D003276:Contraceptives, Oral; D004962:Estranes