During prenatal development, a particular organ or body part is most vulnerable to exposure to teratogens during its:
The fetal period of development occurs during the third stage of prenatal development, which is the fetal stage.
distinguish between prenatal & postnatal
The fetal period occurs during the third stage of prenatal development.
First Stage: The first two weeks after conception are known as the Germinal stage. Second Stage: The next six weeks of development are known as the Embryonic stage. Third Stage: The remainder of prenatal development is known as the Fetal stage.
Alcohol
Embryology
fetus
The fetal period.
True
Yes, it is possible to determine the health and development of a live fetus during a prenatal ultrasound examination.
Prenatal development actually begins when the first initial cells divide. Development continues daily until the baby is born. There are differing opinions about this and it is somewhat subject to debate.
Agents that have a negative effect on prenatal development are called teratogens. These can include drugs, alcohol, certain medications, infections, and environmental pollutants that can interfere with the normal development of the fetus.