Neonatal outcomes in offspring of mothers with pregestational diabetes: a hospital-based multicentre prospective cohort study protocol.

Introduction: Pregestational diabetes mellitus (PGDM) occurs when a woman becomes pregnant after having diabetes mellitus. The presence of diabetes during the entire pregnancy can have an adverse impact on fetal and neonatal outcomes. The objective of this study is to examine the association between PGDM and neonatal outcomes at birth.