Nutritional requirements in normal pregnancy

Additional intakes of virtually all nutrients are needed for the support of pregnancy. Energy requirements average 300 kcal/day above nonpregnant needs, which should provide for a weight gain of 400 g/wk during the last two trimesters. Total protein intake of 1.3 g/kg/day is recommended for the adult gravida. Gestational needs for iron and perhaps for folacin cannot be met by the usual diet and supplementation is advised. Other nutrients, although needed in increased amounts, can be provided by a well-balanced diet.