A Randomized Controlled Trial of Prenatal Nutritional Supplementation in New York City

摘要: This randomized controlled trial of nutritional supplementation in pregnancy, a poor black urban population the United States, aimed to increase birth weight and influence postnatal development offspring mothers at high risk having low infants. The execution research design adherence treatment regimen among experimental appeared adequate for reasonable test treatments. At birth, only significant favorable effect observed was prevention depressed who smoked heavily. With balanced protein-calorie supplementation, length gestation increased, proportion low-birth-weight infants reduced, mean raised by 41 gm (not statistically significant). protein there an excess very early premature births associated neonatal deaths, growth retardation up 37 weeks gestation. 1 year age, effects supplement were found on three psychological measures: visual habituation, dishabituation, free play episodes. These measures unrelated age. There no detectable residual adverse