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www.stanfordchildrens.org/en/topic/default?id=examples-of...

Examples of Teratogens. There are many different examples of teratogens that cause birth defects. Listed in the directory below are some, for which we have provided a brief overview. Fetal Alcohol Syndrome (FAS) Phenytoin (Dilantin) Varicella

www.columbia.edu/itc/hs/medical/humandev/2004/Chpt23-Teratogens.pdf

Effects of teratogens during this period of developmental often times results in an “all or none effect.” That is, the effect of the teratogen, if it is to have any effect, will be so profound as to cause a spontaneous abortion. Some examples of teratogens known to cause human malformations are listed in the table below (Table 23-2).

study.com/academy/lesson/teratogen-in-pregnancy-definition...

Learn what a teratogen in pregnancy is, relevant time lines during gestation, the most common examples, their effects on developing fetuses, and ways to avoid them. 2017-04-05

www.umich.edu/~psycours/350/jaeckelj/terats.htm

à some teratogens cause damage only during specific days or weeks in early pregnancy. à other teratogens are harmful at any time during the pregnancy---for example, for behavioral teratogens, there is no safe period---the brain and nervous system can be harmed throughout the pregnancy

www.answers.com/Q/What_are_examples_of_teratogens_and_what...

Examples of teratogens include alcohol, rubella virus, cytomegalovirus and hyperthermia. So, a foetus that has developmental abnormalities due to a teratogenic substance has normal genes, but the ...

www.urmc.rochester.edu/encyclopedia/content.aspx?Content...

Examples of Teratogens. There are many different examples of teratogens that cause birth defects. Listed in the directory below are some, for which we have provided a brief overview. Fetal Alcohol Syndrome (FAS) Phenytoin (Dilantin) Varicella

www.ncbi.nlm.nih.gov/books/NBK132140

A teratogen is any agent that causes an abnormality following fetal exposure during pregnancy. Teratogens are usually discovered after an increased prevalence of a particular birth defect. For example, in the early 1960’s, a drug known as thalidomide was used to treat morning sickness. Exposure of the fetus during this early stage of development resulted in cases of phocomelia, a congenital ...

www.healthline.com/health/pregnancy/teratogens

Teratogens are drugs, chemicals, or even infections that can cause abnormal fetal development. There are billions of potential teratogens, but only a few agents are proven to have teratogenic effects.

embryo.asu.edu/pages/teratogens

Teratogens are substances that may produce physical or functional defects in the human embryo or fetus after the pregnant woman is exposed to the substance. Alcohol and cocaine are examples of such substances. Exposure to the teratogen affects the fetus or embryo in a variety of ways, ...

www.chw.org/.../medical-genetics/teratogens

If a teratogen has the potential to interfere with the closure of the neural tube, for example, the exposure to the teratogen must occur in the first 3.5 to 4.5 weeks of the pregnancy, since this is when the neural tube is closing. There are some organ systems that are sensitive to teratogens throughout the entire pregnancy, such as the central ...