Folate Levels by Time Since Last Live Birth Among U.S. Women, 2007–2016

Background: Folate depletion in the postpartum period may increase the risk of adverse pregnancy outcomes for women with a short interpregnancy interval following a live birth. We sought to examine folate levels by time since last live birth among U.S. women. Materials and Methods: Data were from 4,809 U.S. women, 20–44 years of age, participating in the National Health and Nutrition Examination Survey, 2007–2016. Red blood cell (RBC) folate was...