Nitrogen balance during pregnancy.
D000293:Adolescent; D000818:Animals; D001724:Birth Weight; D001835:Body Weight; D004044:Dietary Proteins / Q000627:therapeutic use; D004734:Energy Metabolism; D005260:Female; D005333:Fetus / Q000378:metabolism; D006801:Humans; D007231:Infant, Newborn; D050356:Lipid Metabolism; D009584:Nitrogen / Q000378:metabolism*; D009747:Nutritional Physiological Phenomena; D009751:Nutritional Requirements; D011188:Potassium / Q000378:metabolism; D011197:Potassium Radioisotopes; D011247:Pregnancy; D011248:Pregnancy Complications; D011502:Protein-Energy Malnutrition / Q000178:diet therapy; D011506:Proteins / Q000378:metabolism; D012959:Socioeconomic Factors; D014915:Whole-Body Counting
D004044:Dietary Proteins; D011197:Potassium Radioisotopes; D011506:Proteins; D009584:Nitrogen; D011188:Potassium