"NATURAL CHILDBIRTH" VS. USE OF DRUGS DURING LABOR.
D004358:Drug Therapy; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007743:Labor, Obstetric; D008431:Maternal-Fetal Exchange; D009321:Natural Childbirth; D011247:Pregnancy
DRUG THERAPY; INFANT, NEWBORN; LABOR; MATERNAL-FETAL EXCHANGE; PREGNANCY