Contraception and breastfeeding.
Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Georgetown University School of Medicine, Washington DC 20007-2113, USA. JTQMD@aol.com
John T
JT
Queenan
D000328:Adult; D001942:Breast Feeding; D003267:Contraception; D003277:Contraceptives, Oral, Combined / Q000378:metabolism*; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008895:Milk, Human / Q000378:metabolism*
D003277:Contraceptives, Oral, Combined