Final answer:
The statement is true; substances and conditions such as radiation, various chemicals, infections, and both prescription and illicit drugs are recognized as teratogens, which can cause congenital malformations.
Step-by-step explanation:
True or False: Known Teratogens involved in congenital malformation include radiation, chemicals, infections & drugs. The statement is True.
Teratogens are substances or conditions that can cause abnormalities or malformations in a developing embryo or fetus. These can be in the form of various prescription drugs, nutrient deficiencies like insufficient folic acid, chemical compounds such as methyl iodide and bisphenol A, as well as illicit drugs like heroin, cocaine, and methamphetamine. Exposures to teratogens such as radiation, infections like HIV, herpes, and rubella, and drugs during pregnancy can result in birth defects with varying degrees of severity. Teratogens disrupt normal development and their effects can range from minor to severe, with long-lasting or even permanent consequences. It's important for expecting mothers to avoid exposure to known teratogens to ensure the health and safety of their unborn child.