Metformin in Pregnancy: Efficacy and Safety

Gestational Diabetes (GDM) is vastly more prevalent in pregnancy compared to pre-existing diabetes. In 2009, the ACOG states that 7% of all pregnancies were complicated by a diabetes diagnosis, with 86% being GDM. The prevalence of GDM keeps rising in the US and globally. Metformin is increasingly prescribed in pregnancy, yet its long-term effect on the neurocognitive development of the offspring remains incompletely described. However, newly published data (March 6, 2024; AJOG) has changed that! In this episode, we will summarize and review a systematic review and meta-analysis of childhood neurodevelopmental outcomes after in utero exposure to metformin. Additionally, does some evidence suggest that metformin may be superior to insulin in pregnancy for perinatal outcomes? We will discuss all this and more, in this episode. This information will be helpful as we counsel and educate our patients on metformin use in pregnancy.