title: Nutritional studies during pregnancy. I. Changes in intakes of calories, carbohydrates, fat, protein, and calcium.
mesh_terms: D000293:Adolescent; D000328:Adult; D001481:Basal Metabolism; D002136:Calcium, Dietary; D002151:Calorimetry; D002657:Child Development; D004040:Dietary Carbohydrates; D004041:Dietary Fats; D004044:Dietary Proteins; D005247:Feeding Behavior; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D009325:Nausea; D009747:Nutritional Physiological Phenomena; D010298:Parity; D011247:Pregnancy; D013223:Statistics as Topic; D013997:Time Factors
chemical_list: D002136:Calcium, Dietary; D004040:Dietary Carbohydrates; D004041:Dietary Fats; D004044:Dietary Proteins