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www.stanfordchildrens.org/en/topic/default?id=examples-of-teratogens-90-P02150

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.urmc.rochester.edu/encyclopedia/content.aspx?ContentTypeID=90&ContentID=P02150

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.answers.com/Q/What_is_an_example_of_a_teratogen

A teratogen is any environmental factor that can cause damage during prenatal development. An example of a teratogen would be tobacco or alcohol use during pregnancy.

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.

study.com/academy/lesson/teratogen-in-pregnancy-definition-exposure-examples.html

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.

www.answers.com/Q/What_are_examples_of_teratogens_and_what_do_they_do

A teratogen is a factor that causes malformation of an embryo. Examples of this can be damage caused by drugs, viruses, chemicals, and malnutrition.

www.aboutkidshealth.ca/Article?contentid=341&language=English

Teratogens are substances or other factors that can cause congenital abnormalities, which are also called birth defects. Usually these abnormalities arise in the third to eighth weeks of pregnancy, when the major organ systems are forming. Examples of teratogens include certain chemicals, medications, and infections or other diseases in the mother.

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.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).

www.chw.org/medical-care/genetics-and-genomics-program/medical-genetics/teratogens

During the development of a baby, there are certain organs forming at certain times. 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.