No, most birth defects aren't avoidable. They are genetic abnormalities that are normally passed down to younger generations. Some passed down genetic attributes skip a generation or two.
There are thousands of identified birth defects. Birth defects are abnormal developments present at birth that can cause physical or mental disability. Some, but not all are fatal.
Some do. Not all.
No he did not have any birth defects.
Yes, some birth defects can be caused by genetic factors that are passed down from parent to child. These inherited genetic mutations may increase the risk of certain birth defects occurring in future generations. However, not all birth defects are caused by genetics.
About 7% of all congenital defects are caused by exposure to teratogens
Birth defects are found in 2-3% of all newborn infants. This rate doubles in the first year, and reaches 10% by age five, as more defects become evident and can be diagnosed. Almost 20% of deaths in newborns are caused by birth defects.
None of the defects occur after birth, they all develop in the womb. They continue to exist for the entire life of the person, of course.
fetal alcohol syndrome
No; a teratogen is an agent that can cause birth defects.
Generally, pediatricians will be on the lookout for birth defects during the first few infant exam visits. The obvious ones (especially Down Syndrome) will be picked up almost all of the time, whereas subtle birth defects can be easily missed.
A teratogen is an agent that causes birth defects.
Congenital means present at birth, and yes, Spina Bifida is present at birth. It is a birth defect. All birth defects are congenital.