The effects of fetal alcohol syndrome are

a. due to large birth weight of affected babies.
b. both physical and mental impairments.
c. estimated to be found in about 1 of every 50 live births.
d. usually reversed by the time the child is 5 years old.

b. both physical and mental impairments.

c. estimated to be found in about 1 of every 50 live births.