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Oct 21, 2022 · A teratogen is a substance that interferes with normal fetal development and causes congenital disabilities. Drugs, alcohol, chemicals and toxic substances are examples of teratogens. Teratogens can also increase the risk for miscarriage, preterm labor or stillbirth.
Jan 9, 2024 · A teratogen is a substance that may lead to birth defects in an embryo or fetus. The impact of teratogens on pregnancy or a fetus depends on several factors. The timing and length of exposure, the stage of pregnancy when the exposure happened, genetic factors influencing susceptibility, and the type of agent of exposure all contribute to the risk.
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What is a carcinogen and a teratogen?
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Sep 14, 2023 · A carcinogen is any agent that directly increases the incidence of cancer. Most, but not all carcinogens are mutagens. Carcinogens that do not directly damage DNA include substances that accelerate cell division, thereby leaving less opportunity for cell to repair induced mutations, or errors in replication.
Jun 19, 2023 · Carcinogens (pronounced “kahr-sin-o-jens”) are substances that may increase your risk of developing cancer. Experts have identified more than 100 carcinogens. Carcinogens may be physical, such as ultraviolet rays from the sun; chemical, like asbestos; or biological, such as infections caused by certain viruses.
A teratogen (ter-AT-uh-jen) is something that can cause or raise the risk for a birth defect in a baby. They are things that a mother may be exposed to during her pregnancy. Teratogens include: Some medicines. Street drugs. Alcohol. Tobacco. Toxic chemicals. Some viruses and bacteria. Certain health conditions, such as uncontrolled diabetes.
Apr 23, 2015 · Teratogenic exposures are not necessarily always medications, infections, chemicals, or physical agents that a woman may encounter in her pregnancy. The teratogenic exposure may also be a preexisting chronic or physical condition, such as excess body weight.
A carcinogen (/ k ɑːr ˈ s ɪ n ə dʒ ən /) is any agent that promotes the development of cancer. Carcinogens can include synthetic chemicals, naturally occurring substances, physical agents such as ionizing and non-ionizing radiation, and biologic agents such as viruses and bacteria.
