Maternal serum ferritin across gestation and risk of small-for-gestational-age: a longitudinal cohort study (opens in new tab)

BackgroundIron supplementation is essential for maintaining maternal-fetal health during pregnancy. However, research on the relationship between serum ferritin (SF) and small-for-gestational-age (SGA) births remains limited and inconclusive.ObjectiveThis study aimed to investigate the association between maternal SF levels and SGA during pregnancy.MethodsWe utilized electronic medical records from women who delivered at Shanghai First Maternity and Infant Hospital between 2018 and 2020. Mate...