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About 1.7 million women of childbearing age are prescribed Food and Drug Administration Category D or Category X medications each year. However, despite label warnings, about 6% of U.S. pregnancies occur in women taking medications with known teratogenic risk.

Teratogenic drug use: Check contraception

About 1.7 million women of childbearing age are prescribed Food and Drug Administration Category D or Category X medications each year. However, despite label warnings, about 6% of U.S. pregnancies occur in women taking medications with known teratogenic risk.