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Teratogen

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A teratogen is defined as an agent or factor that causes a malformation of an embryo. Some examples of teratogens are viruses, chemicals, stressors, malnutrition, and drugs. However, there are certain factors that play a role in how severe a teratogen might affect a developing fetus. The most important factors are timing, exposure, and genetic variability (Teratogens). A well-known teratogen is alcohol and has been shown to cause numerous defects at various stages of pregnancy. The symptoms displayed by the fetus due to alcohol are called Fetal Alcohol Spectrum Disorders or FASDs for short. Though, FASD is a broad term and can be further broken down into three categories, Fetal Alcohol Syndrome (FAS), Alcohol-Related Neurodevelopment Disorder…show more content…
It is stated by the CDC, that people with ARND might have intellectual disabilities and problems with behavior and learning. Those who fall within the ARBD category might have problems with the heart, kidneys, bones and hearing and might have a combination of all these symptoms. Yet, teratogens reached a pinnacle of concern when there was an epidemic of babies been boring with severe defects to mothers that took Thalidomide. Thalidomide first hit the German market in 1957 and by the 1960’s it could be found in 46 countries including the US and had sales numbers that could revival aspirin. Its popularity came from the numerous claims that the drug was safe for everybody including pregnancy mothers. It wasn’t long until these claims showed to not be true once women who took the drug while having pregnant began to give birth (Fintel 2009). One of the most noted effects of Thalidomide on fetuses was phocomelia, which is the severe shortening or lack of limb structures. Also, children effected by Thalidomide could suffer from lack of thumbs, heart defects, and malformed intestines (Cooper-Roth
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