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Drugs are all rated with pregnancy categories.

Pregnancy category A- Proven safe

Pregnancy category B- Not proven in humans, but widely believed to be safe and still administered. It has been proven safe in animal tests.

Pregnancy category C- No safety tests have been performed, safety not known

Pregnancy category D- Animal tests have shown fetal deformities, but no human tests have been done

Pregnancy category X- Drug has been proven to cause birth defects in humans.

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17y ago

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