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A teratogen is an environmental factor that causes birth defects during prenatal development. An example of a teratogen is ionizing radiation.
Toxins can cause damage to the prenatal fetus that can result in mental retardation by interferring with brain development. It can occur at any time during the pregancy, that is what pregnant women have to be very careful about what they come in contact with and what they consume.
during the cleavage stage
the winds and waters
A teratogen is any environmental factor that can cause damage during prenatal development. An example of a teratogen would be tobacco or alcohol use during pregnancy. Teratogens can cause birth defects, early labor, miscarriages, etc. So it important that parents are aware that smoking tobacco, alcohol use, drugs, etc. can affect their pregnancies.
Premature birth, birth during surgery, infection, spinal cord and nerve damage when treating spina bifida, brain damage, physical deformities, death.
During prenatal development, a particular organ or body part is most vulnerable to exposure to teratogens during its:
A pap smear is a normal part of prenatal care. It does not harm a pregnancy.
It is actually unknown as to what specifically causes diabetes during childhood. It is generally understood to be a combination of environmental factors and genetics.
A prenatal clinic is a medical facility, where pregnant women are seen, monitored and treated during their pregnancy.
ground shaking and foundation failure
Ground shaking and foundation faliure