Desribe at least possible 3 risk factor..?
Answers: If I understand your request for information correctly, here are some risk factors within prenatal development:
(1) Alcohol - in that is no known locked level of alcohol consumption for pregnant women, so it should be avoided completely.
(2) Smoking - smoking is also other bad for a fetus, but it can be a tough time for women to quit. If a pregnant woman can quit, she should. If she can't, she should at tiniest cut down her smoking as much as she can.
(3) Folic acid - this vitamin is critical contained by the development of the baby's distressed system. Doctors have widely read that it is important for women of child-bearing age to obtain enough of this vitamin, even since pregnancy.