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 three 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 Tetragons List 3 examples?
These include
certain chemicals, medications, social drugs, alcohol, smoking, and infections
.
What are the common teratogens and their effects?
The most common malformations include
craniofacial dysmorphisms, cleft palate, thymic aplasia, and neural tube defects
. The tranquilizer thalidomide is one of the most famous and notorious teratogens.
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.
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.
What are 2 common 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.
Is smoking a teratogen?
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.
What is the most common 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).
How many teratogens are there?
There are
billions of potential teratogens
, but only a few agents are proven to have teratogenic effects. These effects can result in a baby being born with a birth defect. Approximately 4 to 5 percent of birth defects are caused by exposure to a teratogen.
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, …
Can 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.
What is the embryo?
Embryo,
the early developmental stage of an animal while it is in the egg or within the uterus of the mother
. In humans the term is applied to the unborn child until the end of the seventh week following conception; from the eighth week the unborn child is called a fetus. First Stages Of Human Development.
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.
What are teratogenic drugs?
Drugs that can cause birth defects
are said to be ‘teratogenic drugs’. Medical science cannot always predict how exposure to a teratogenic drug will affect a developing fetus. It can be dangerous for a pregnant woman to stop taking prescription drugs if she has a medical condition or becomes ill.
How do you prevent teratogens?
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.