MIAMI (CBSMiami) – A popular diabetes drug is now being linked to birth defects.
A new study shows men who used metformin in the three-month period before fathering a child had a 40% higher risk of defects in their offspring.
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The research followed more than 1 million births between 1997 and 2016.
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The study observed children who were born to women under 35 and men under 40, but excluded babies born to women with diabetes.
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Researchers say more studies are needed to determine if men taking metformin should make any considerations.
