What are teratogens give 5 examples?

A teratogen is something that can cause birth defects or abnormalities in a developing embryo or fetus upon exposure. Teratogens include some medications, recreational drugs, tobacco products, chemicals, alcohol, certain infections, and in some cases, health problems such as uncontrolled diabetes in pregnant people.

What are 4 teratogens?

Teratogens are classified into four types: physical agents, metabolic conditions, infection, and finally, drugs and chemicals. The word teratogen originates from the Greek word for monster, teratos.

Which drug is human teratogen?

There are only a limited number of drugs proven to be human teratogens including thalidomide, isotretinoin, coumarin derivates, valproic acid, and folate antagonists. In some cases, the combination of 2 drugs may increase the teratogenic risk.

What is the most commonly used teratogen?

Alcohol: One of the most commonly used teratogens is alcohol, and because half of all pregnancies in the United States are unplanned, it is recommended that women of child-bearing age take great caution against drinking alcohol when not using birth control or when pregnant (CDC, 2005).

What are the three most common teratogens?

Known Teratogens

• angiotensin converting enzyme (ACE) inhibitors, such as Zestril and Prinivil.
• alcohol.
• aminopterin.
• androgens, such as methyltestosterone (Android)
• busulfan (Myleran)
• carbamazepine (Tegretol)
• chlorobiphenyls.
• cocaine.

Is Thalidomide a teratogen?

Thalidomide is a potent teratogen that induces a range of birth defects, most commonly of the developing limbs.

When is alcohol most teratogenic?

Alcohol, at any time during the pregnancy, has the potential to cause birth defects and health problems in the baby, since the central nervous system is sensitive to teratogens the entire nine months of gestation. This is why alcohol consumption should be avoided in its entirety during pregnancy.

Is quinine a teratogenic drug?

Quinine has been associated with teratogenic effects and damage to fetal optic and auditory nerves, but only at very high (abortifacient) doses and is generally considered safe in pregnancy when taken at normal therapeutic doses.

Which drug may have the teratogenic effect of tooth and bone anomalies?

[1] Unfortunately, doxycycline was developed after the tetracyclines had been labeled as potentially harmful because of severe adverse effects, including teratogenicity, permanent yellowish-brown teeth discoloration after in utero exposure and in children under 8 years of age and more rarely fatal hepatotoxicity …

How do you stop teratogenicity?

Do not use chemicals that may harm your child – This includes pesticides, fungicides, rodenticides, or harsh cleaning products. Do not smoke, use drugs or consume alcohol during pregnancy – These teratogens greatly increase the risk of fetal birth defects and other life threatening conditions.

What are the four most common teratogens?

Known Teratogens angiotensin converting enzyme (ACE) inhibitors, such as Zestril and Prinivil alcohol aminopterin androgens, such as methyltestosterone (Android) busulfan (Myleran) carbamazepine (Tegretol) chlorobiphenyls cocaine coumarins warfarin (Coumadin)

What does teratogenic mean?

teratogenic (comparative more teratogenic, superlative most teratogenic) (teratology) Of, relating to, malformations or defects to an embryo or fetus. (teratology) Causing malformations or defects to an embryo or fetus.

What does teratogens mean?

• TERATOGEN (noun) The noun TERATOGEN has 1 sense: 1. any agent that interferes with normal embryonic development: alcohol or thalidomide or X-rays or rubella are examples. Familiarity information: TERATOGEN used as a noun is very rare.

What are behavioral teratogens?

Behavioral teratogens—teratogens that tend to harm the prenatal brain, affecting the future child s intellectual and emotional functioning. à although all teratogens increase the risk of harm to the developing child, none always cause damage; the ultimate impact depends on the complex interplay of many factors.