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Can I continue taking metformin after becoming pregnant?

Feb 13, 2025 Source: Cainiu Health
Dr. Zhang Lu
Introduction
Metformin may interfere with normal metabolic processes in the body, potentially affecting the normal development of the fetus. The drug could disrupt nutrient supply and metabolism to the fetus, increasing the risk of fetal developmental abnormalities. Pregnant women taking metformin may experience adverse symptoms such as nausea, vomiting, fatigue, and impaired consciousness. Pregnant women must not purchase or use metformin or other medications on their own.

Metformin is usually available in tablet form. It is generally not recommended to continue taking metformin after becoming pregnant. The analysis is as follows:

Metformin is an oral hypoglycemic agent primarily used to treat type 2 diabetes. It is suitable for patients whose blood sugar cannot be adequately controlled by diet alone, especially those who are overweight or have hyperinsulinemia. This medication can lower blood glucose levels, aid in weight reduction, and improve hyperinsulinemia. However, the components of metformin may interfere with normal metabolic processes in the body, potentially affecting the normal development of the fetus. The drug might disrupt nutrient supply and metabolism to the fetus, increasing the risk of fetal developmental abnormalities. Adverse symptoms such as nausea, vomiting, fatigue, and impaired consciousness may occur after pregnant women take metformin. The drug may also affect lactate metabolism in the body, leading to lactic acidosis, which can endanger the health of the pregnant woman.

Furthermore, taking metformin during pregnancy may increase the burden on the liver and kidneys, affecting their normal functions. Pregnant women should strictly follow their doctor's advice and medication instructions during pregnancy and must not purchase or use metformin or other medications on their own.

Pregnant women should also maintain a balanced diet during pregnancy, choosing low-sugar, light, and nutritious foods such as eggs, lettuce, and fresh milk, avoiding overeating.

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