American Academy of Pediatrics. Committee on Drugs: Breast-feeding and contraception.
D000568:Amenorrhea / Q000209:etiology; D001942:Breast Feeding; D003267:Contraception; D003273:Contraceptive Devices / Q000009:adverse effects; D003278:Contraceptives, Oral, Hormonal / Q000009:adverse effects / Q000032:analysis; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008895:Milk, Human / Q000032:analysis; D049590:Postpartum Period; D011247:Pregnancy
D003278:Contraceptives, Oral, Hormonal