CONCEPTION TO BIRTH PRENATAL The brain and nervous system develop and form an intricate network. But genetic errors and environmental factors like fetal exposure to alcohol or drugs can make this process go awry. Some common examples:
CEREBRAL PALSY Affects about 10,000 U.S. babies a year. More than 80% show signs in the womb or before they are a month old. Usually diagnosed by age 3
FETAL ALCOHOL SYNDROME Profound mental retardation caused by maternal alcohol abuse. Studies suggest that 1,200 to 8,800 FAS babies are born in the U.S. every year
NEURAL-TUBE DEFECTS These include spina bifida and anencephaly, each...