What are examples of teratogens?

Common teratogens include some medications, recreational drugs, tobacco products, chemicals, alcohol, certain infections, and in some cases, uncontrolled health problems in the birthing parent. Alcohol is a well-known teratogen that can cause harmful effects on the fetus after exposure at any time during pregnancy.

What are teratogens?

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.

What are 4 teratogens?

Teratogens are classified into four types: physical agents, metabolic conditions, infection, and finally, drugs and chemicals.

What are teratogens in psychology?

an agent that induces developmental abnormalities in a fetus.

Which drugs are teratogenic?

Teratogenic drugs and birth defects

• ACE (angiotensin converting enzyme) inhibitors.
• angiotensin II antagonist.
• isotretinoin (an acne drug)
• alcohol.
• cocaine.
• high doses of vitamin A.
• lithium.
• male hormones.

How do teratogens cause birth defects?

As a baby grows in the womb, teratogens may affect parts of the baby’s body as they are forming. For example, the neural tube closes in the first 3 to 5 weeks of the pregnancy. During this time, teratogens can cause neural tube defects such as spina bifida.

Are cigarettes teratogens?

Because the teratogenic agent in cigarette smoke remains controversial, the present study on rat embryos in culture examined specifically whether nicotine can cause neural dysmorphology and, hence, act as a nervous system teratogen.

Is smoking teratogenic?

Smoking during pregnancy increases the risk of health problems for developing babies, including preterm birth, low birth weight, and birth defects of the mouth and lip. Smoking during and after pregnancy also increases the risk of sudden infant death syndrome (SIDS).

What medications are teratogens?

Drugs that are capable of acting as teratogens include:

• ACE (angiotensin converting enzyme) inhibitors such as:
• Acne medication isotretinoin (Accutane, Retin-A).
• Alcohol ingested chronically or in binges.
• Androgens (male hormones).
• Antibiotics tetracycline (Achromycin), and doxycycline (Vibramycin), and streptomycin.

Are drugs a teratogen?

Teratogens halt the pregnancy or produce a congenital malformation (a birth defect). Classes of teratogens include radiation, maternal infections, chemicals, and drugs.

Is Zika teratogenic?

Officials from the Centers for Disease Control and Prevention (CDC) have declared that Zika virus is a teratogen that causes microcephaly and other serious brain anomalies.

What drugs are teratogenic?

Can a sip of alcohol harm my baby?

Drinking any amount of alcohol at any time during pregnancy can harm your baby’s developing brain and other organs. No amount of alcohol has been proven safe at any time during pregnancy.

Is vitamin A teratogenic?

Background. Studies in animals indicate that natural forms of vitamin A are teratogenic. Synthetic retinoids chemically similar to vitamin A cause birth defects in humans; as in animals, the defects appear to affect tissues derived from the cranial neural crest.

Does Ebola last forever?

Those who do recover develop antibodies that can last 10 years, possibly longer. Survivors are thought to have some protective immunity to the type of Ebola that sickened them. It is not known if people who recover are immune for life or if they can later become infected with a different species of Ebola virus.

Are antidepressants teratogens?

Most antidepressants do not pose a major teratogenic risk, although the data supporting this conclusion vary from one type to another. While SSRIs and tricyclics have been examined in a considerable number of studies, only scarce data is available on new antidepressants.

Can you eat mayo when pregnant?

Is it safe to eat mayo while pregnant? The jars of mayonnaise you’ll find on the shelf at your local grocery store are actually safe to eat — at least the vast majority of them. That’s because commercially produced foods that contain eggs — mayonnaise, dressings, sauces, etc.