Screening for Gestational and Pregestational Diabetes in Pregnancy and Postpartum

This Clinical Practice Update reviews current data on screening and diagnostic criteria for pregestational and gestational diabetes mellitus during pregnancy and type 2 diabetes mellitus postpartum. This document updates Practice Bulletin No. 190, Gestational Diabetes Mellitus (Obstet Gynecol 2018;131:e49–64) and Practice Bulletin No. 201, Pregestational Diabetes Mellitus (Obstet Gynecol 2018;132:e228–48).