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.
What are 2 common teratogens?
Alcohol and smoking are two common teratogens. Exposure to either of them can lead to developmental anomalies, miscarriage, stillbirth, preterm labor, and a variety of other pregnancy complications.
What do teratogens do to a fetus?
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.
What are the 7 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.
What is an example of teratogen? – Related Questions
What are human teratogens?
A human teratogen is an agent that alters the growth or structure of the developing embryo or fetus, thereby causing birth defects.
What is the most common type of 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 7 birth defects examples?
Information about Specific Birth Defects
- Anencephaly.
- Anotia.
- Microtia.
- Cleft Lip.
- Cleft Palete.
- Atrial Septic Defect.
- Atrioventricular Septal Defect.
- Coarctation of the Aorta.
What are 5 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 5 principles of teratogenic effects?
In considering the effects of drugs on pregnancy, it is important to remember the 6 principles of teratology: genetic susceptibility, development stage, mechanisms, end points, access, and dose response.
What are the five categories of potentially teratogenic drugs?
FDA classifies various drugs used in pregnancy into five categories, categories A, B, C, D and X. Category A is considered the safest category and category X is absolutely contraindicated in pregnancy.
What factors influence a teratogen?
The factors that induce congenital malformations are termed the “teratogenic factors”; they include infectious, physical, chemical, hormonal, and maternal health factors.
What is the most harmful drug during pregnancy?
Cocaine is one of the most harmful drugs to unborn babies. Cocaine can cause a woman to miscarry and may cause preterm birth, bleeding, fetal death and fetal strokes, which can lead to brain damage and death.
Which drug is a teratogen?
Acne medication isotretinoin (Accutane, Retin-A). Alcohol ingested chronically or in binges. Androgens (male hormones). Antibiotics tetracycline (Achromycin), and doxycycline (Vibramycin), and streptomycin.
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 alcohol a teratogen?
Alcohol is a known toxicant, causing cell death in a fetus, and a teratogen, altering cell cycle and function in a developing fetal brain, with PAE having immediate and persisting effects on an individual with FASDs.
Is Ibuprofen a teratogen?
Ibuprofen was capable of inducing alterations to embryonic development. The teratogenic index of the ibuprofen was 3, if >1 means teratogenic properties. Teratogenic effects were delayed hatching, hypopigmentation and pericardial edema.
Is Tylenol a teratogen?
Acetaminophen is widely used during pregnancy. Although there is no known association with teratogenicity, few clinical data are available to support the lack of association.
Why can pregnant people not take ibuprofen?
When taken during pregnancy, NSAIDs reduce blood flow to the baby’s kidneys and other important structures. Reduced blood flow to the kidneys leads to reduced urine production by the fetus. Since amniotic fluid is really just the collection of fetal urine, oligohydramnios can develop.
Does turmeric cause miscarriage in early pregnancy?
Can turmeric cause a miscarriage? There’s no proven causal link, but most physicians recommend against turmeric and curcumin supplementation to avoid any potential (and unknown) risks to moms and baby.
Can I have cinnamon while pregnant?
Cinnamon is safe in normal doses if you’re pregnant, but scientists remain uncertain whether taking cinnamon in high doses —much more than you’d normally eat in foods — could be harmful. If you’re past your due date and trying to induce labor, consult with your doctor first before adding cinnamon to your diet.
