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When does prenatal development begin?
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?
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.
What factors affect prenatal development?
Factors that can affect prenatal development include the mother's health, nutrition, exposure to harmful substances (such as drugs and alcohol), genetics, and stress levels. Additionally, environmental factors like pollution and infections can also impact the development of the fetus.
What prenatal stage of development in humans is the most rapid?
The embryonic stage, which lasts from fertilization until around 8 weeks, is the most rapid period of prenatal development in humans. This is when the major organs and systems of the body begin to form.
What period of prenatal development lasts the shortest?
The germinal period is the shortest period of prenatal development, lasting approximately two weeks. This period begins at fertilization when the egg is fertilized by sperm and ends when the fertilized egg attaches to the uterine wall.
What is the term that describes the principle of prenatal development in which the sequence of growth is from the head to the feet?
Cephalocaudal
During which stage of prenatal development does the fetal period of development occur?
The fetal period of development occurs during the third stage of prenatal development, which is the fetal stage.
What is the difference between prenatal and postnatal development?
distinguish between prenatal & postnatal
What is the vulnerability or prenatal development?
During prenatal development, a particular organ or body part is most vulnerable to exposure to teratogens during its:
During which stage of prenatal development does the fetal period occur?
The fetal period occurs during the third stage of prenatal development.
What is sequence development?
what is sequence of development
What is the prenatal development begins at this point called?
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.
What is the most common hazard to prenatal development?
Alcohol
Another name for the study of prenatal development is?
Embryology
Is it possible to determine the health and development of a live fetus during a prenatal ultrasound examination?
Yes, it is possible to determine the health and development of a live fetus during a prenatal ultrasound examination.
What is the last 7 months of prenatal development called?
fetus
What last 7 months of prenatal development?
The fetal period.
