[Lactation, lactation amenorrhea and pregnancy in women in developing countries].
D000568:Amenorrhea; D001942:Breast Feeding; D003267:Contraception; D003906:Developing Countries; D005260:Female; D006801:Humans; D007223:Infant; D007227:Infant Nutritional Physiological Phenomena; D007774:Lactation; D011247:Pregnancy
AMENORRHEA; CONTRACEPTION; INFANT NUTRITION; LACTATION; PREGNANCY