Vitamin C to pregnant smokers persistently improves infant airway function to 12 months of age: a randomised trial

摘要

Background: Vitamin C (500 mg.day(-1)) supplementation for pregnant smokers has been reported to increase newborn pulmonary function and infant forced expiratory flows (FEFs) at 3 months of age. Its effect on airway function through 12 months of age has not been reported.