title: What are the calorie requirements for women having twins?
authors.forename: Wendy
authors.initials: W
authors.lastname: Marcason
mesh_terms: D001724:Birth Weight; D002149:Energy Intake / Q000502:physiology*; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D018673:Nutrition Policy; D009751:Nutritional Requirements; D011247:Pregnancy; D011256:Pregnancy Outcome; D011272:Pregnancy, Multiple / Q000502:physiology*; D039401:Prenatal Nutritional Physiological Phenomena; D014427:Twins; D014481:United States; D015430:Weight Gain / Q000502:physiology*