Nutrition during pregnancy.
D000293:Adolescent; D000328:Adult; D001724:Birth Weight; D001835:Body Weight; D004032:Diet; D004734:Energy Metabolism; D005260:Female; D006706:Homeostasis; D006801:Humans; D008431:Maternal-Fetal Exchange; D008660:Metabolism; D009749:Nutrition Surveys; D009747:Nutritional Physiological Phenomena; D009751:Nutritional Requirements; D011158:Population Growth; D011247:Pregnancy; D044469:Racial Groups; D013997:Time Factors