A multicountry randomized controlled trial of comprehensive maternal nutrition supplementation initiated before conception: the Women First trial

Reported benefits of maternal nutrition supplements commenced during pregnancy in low-resource populations have typically been quite limited.This study tested the effects on newborn size, especially length, of commencing nutrition supplements for women in low-resource populations ≥3 mo before conception (Arm 1), compared with the same supplement commenced late in the first trimester of pregnancy (Arm 2) or not at all (control Arm 3).Women First...