only increase this risk (Gilbert, Tait). Teratogens affect mothers and their developing embryo in many different ways. The stage that teratogens are used during pregnancy can have the biggest affect, as certain stages of pregnancy have higher risks of birth defects when mothers use teratogens. Medicines, diseases, and viruses, not the drugs everyone would think of, are also harmful teratogens.
Teratogens are any environmental substance that causes…
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