Survey of changes in food habits during pregnancy.
D000293:Adolescent; D000328:Adult; D001066:Appetite; D001205:Ascorbic Acid; D003365:Costs and Cost Analysis; D004032:Diet; D004044:Dietary Proteins; D005190:Family; D005247:Feeding Behavior; D005260:Female; D006266:Health Education; D006801:Humans; D007501:Iron; D009751:Nutritional Requirements; D052756:Nutritional Sciences / Q000193:education*; D011247:Pregnancy; D011295:Prenatal Care; D012256:Riboflavin; D013831:Thiamine; D014801:Vitamin A
D004044:Dietary Proteins; D014801:Vitamin A; D007501:Iron; D001205:Ascorbic Acid; D012256:Riboflavin; D013831:Thiamine