What types of infectious agents are 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,

People Also Asked, What are the types of 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.

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Is coffee 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 aspirin a teratogen?

Aspirin has not been formally assigned to pregnancy category by the FDA. Aspirin use in pregnancy has been associated with alterations in both maternal and fetal hemostasis. In addition, high doses have been associated with increased perinatal mortality, intrauterine growth retardation, and teratogenic effects.

What are 3 examples of teratogens?

Other examples of teratogens found in the environment and in extraordinary circumstances can include metals, chemicals, radiation, and even heat. Examples of these teratogens can include mercury, potassium iodide, nuclear fallout radiation, and even high-temperature hot tubs!

Is smoking a teratogen?

Types of Teratogens Perhaps the two most important teratogens today are alcohol and smoking. They are among the leading preventable causes of birth defects and developmental disabilities. Infectious Agents: Rubella, cytomegalovirus, varicella, herpes simplex, toxoplasma, syphilis, etc.

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.

Is alcohol a teratogen?

One teratogen that affects the central nervous system is alcohol. 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.

What is the most critical stage of pregnancy?

One teratogen that affects the central nervous system is alcohol. 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.

How can you prevent teratogens?

For a few birth defects, you may be able to decrease your risk by taking certain steps: See your doctor before getting pregnant. Know your risk factors. Take a daily multivitamin before and during pregnancy. Maintain a healthy weight. Use medications wisely. Take care of medical conditions before pregnancy.

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 (org

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,

Which stage of pregnancy is most susceptible to teratogens?

The fetus is most susceptible in the 3rd–8th weeks of pregnancy during organogenesis in the embryonic period; after 8 weeks, growth and function are affected. The earlier the exposure to the teratogenic agent in utero, the more severe the defects are in the embryo/fetus.