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How does the government regulate teratogenic drugs?

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How does the government regulate teratogenic drugs?

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The Food and Drug Administration (FDA) uses a system of letters to classify drugs based on their teratogenic potential. Some drugs are highly toxic (classified with the letter ‘x’) and should never be used during pregnancy (i.e. thalidomide and Accutane). Other drugs, given ‘D’ classification are known to cause serious birth defects, but may be considered under certain conditions. The FDA’s ‘C’ category, where many drugs are classified, means that the risks to the fetus are unknown. Other drugs (in categories ‘A’ and ‘B’) are considered generally safe for use during pregnancy when taken for the welfare or health of the mother or child. Alternative Drugs In some cases, a drug may be used to replace another drug during pregnancy. For example, pregnant women with diabetes are often switched to insulin rather than oral hypoglycemic drugs (such as Chlorpropamide and Tolbutamide) because the former is less likely to harm the developing fetus. Heparin is often preferred for preventing blood c

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