Myth and Truth About Metformin Use During Pregnancy
Myth: Metformin Causes Birth Defects
This statement is false. Metformin is an oral medication primarily used to manage high blood sugar levels in individuals with type 2 diabetes. It is also prescribed for gestational diabetes and polycystic ovary syndrome.
Increasing Use of Metformin During Pregnancy
Over the past decade, the utilization of metformin among pregnant women has risen significantly. To better understand its safety, researchers in Ireland launched a comprehensive study aimed at assessing the potential risks associated with metformin intake during pregnancy.
Research Findings
This extensive study involved over 50,000 infants diagnosed with birth defects. The findings revealed no increased risk of birth defects in babies exposed to metformin during pregnancy. Although one particular heart defect, known as pulmonary valve atresia, was noted, it is important to highlight that this condition is generally linked to diabetes itself rather than metformin usage.
Conclusion
The research indicates no definitive connection between metformin and the occurrence of birth defects. For further details on the study, refer to the following reference:
Given JE, Loane M, Garne E, et al. Metformin exposure in the first trimester of pregnancy and risk of all or specific congenital anomalies: exploratory case-control study. BMJ. 2018. https://www.bmj.com/content/361/bmj.k2477