What are some 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 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.

What are 5 types of teratogens?

Teratogenic agents include infectious agents (rubella, cytomegalovirus, varicella, herpes simplex, toxoplasma, syphilis, etc.); physical agents (ionizing agents, hyperthermia); maternal health factors (diabetes, maternal PKU); environmental chemicals (organic mercury compounds, polychlorinated biphenyl or PCB, …

What are the 3 most common teratogens?

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

What are the most common teratogens?

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).

Is cigarette smoke a teratogen?

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.

What are teratogens in psychology class 11?

teratogens environmental agents that cause deviations in normal development that can lead to serious abnormalities or death.

Is Thalidomide a teratogen?

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

Are alcohol and tobacco teratogens?

A teratogen is any agent that disrupts a baby’s development when a person is exposed to it during pregnancy. Known teratogens include alcohol, smoking, toxic chemicals, radiation, viruses, some maternal health conditions, and certain prescription drugs.

Which of the following are examples of teratogens quizlet?

What are some examples of teratogens? Drugs of abuse, prescription medications, environmental contaminants, and diseases. You just studied 18 terms!

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What are chemical teratogens?

A teratogen is an agent that can cause malformations of an embryo or fetus. This can be a chemical substance, a virus or ionizing radiation. This is closely related to a fetotoxin, an agent that causes poisoning effects on a developing fetus.

Are drugs teratogens?

Certain drugs such as alcohol, some illegal drugs, and some prescription and over-the-counter medications are known to cause birth defects if taken during pregnancy. Drugs that can cause birth defects are called ‘teratogens’.

What are behavioral teratogens?

Behavioral teratogens—teratogens that tend to harm the prenatal brain, affecting the future child’s intellectual and emotional functioning.

Is folic acid a teratogen?

Folate deficiency has a well-established teratogenic effect, leading to an increasing risk of neural tube defects. This paper highlights the most recent medical literature about folate deficiency, be it maternal or paternal.

Is caffeine a teratogen?

In humans, caffeine does not present any teratogenic risk. The increased risk of the most common congenital malformations entailed by moderate consumption of caffeine is very slight.

Is stress a teratogen?

Maternal psychological stress has essentially been conceptualized as a teratogen, that is, an agent that can generate deleterious perinatal and/or developmental outcomes.

How do teratogens affect prenatal development?

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.

Can you vape pregnant?

Using electronic cigarettes (vaping) during pregnancy isn’t safe. Most electronic cigarettes (e-cigarettes) contain nicotine, which permanently damages a baby’s developing brain and many other organs. E-cigarette liquids also contain chemicals, flavors and other additives that might not be safe for your baby.

Can you drink while pregnant?

Pregnant women are strongly urged not to drink alcohol during pregnancy. Drinking alcohol while pregnant has been shown to cause harm to a baby as it develops in the womb. Alcohol used during pregnancy may also lead to long-term medical problems and birth defects.

What is a stillbirth?

A stillbirth is the death or loss of a baby before or during delivery. Both miscarriage and stillbirth describe pregnancy loss, but they differ according to when the loss occurs.

Can Dr tell if you smoked during pregnancy?

Women might be embarrassed to tell their doctors if they smoke or fear repercussions for telling the truth. It’s vital to understand that the doctor is not there to judge you or get you in trouble. We’re here to help women have the healthiest pregnancies possible in their unique situations.

Can smoking cause breech baby?

Maternal smoking during pregnancy is associated with a 30% higher risk of breech birth. Fetal anomalies are twice as frequent with breech babies as with those presenting head down.

Why is alcohol a teratogen?

Both alcohol and its primary metabolite, acetaldehyde, are teratogenic. Exposure during pregnancy may lead to fetal alcohol syndrome (FAS), and this is said to occur in a substantial proportion of infants born to mothers who are chronic, heavy daily drinkers.

Is warfarin a teratogen?

Warfarin is known to be teratogenic, producing characteristic abnormalities, namely a hypoplastic nose, stippled epiphyses, and skeletal abnormalities.

Is Accutane a teratogen?

Isotretinoin is a molecule and a byproduct (metabolite) of vitamin A, and in greater than normal amounts in pregnant women, it can cause fetal abnormalities including cleft lips, ear and eye defects, and mental retardation.

Is diethylstilbestrol a teratogen?

In addition to its carcinogenic properties, DES is a known teratogen, an agent capable of causing malformations in daughters and sons who were exposed in utero.

What is not a good example of a teratogen?

Examples of non-teratogenic agents: spermicides, acetaminophen, prenatal vitamins, using a microwave to cook food. A non-teratogenic agent is one which does not cause birth defects.

What is the most widely used potent teratogen?

Perhaps the most famous (or infamous) teratogen is thalidomide, a sedative that was taken by thousands of pregnant women during the early 1960s.

When do teratogens have the greatest effects quizlet?

– The effects of a teratogenic agent are worst during the critical period when an organ system grows most rapidly. – Organogenesis takes place during the embryonic period (weeks 3-8 of prenatal development).