The finding that women who experience morning sickness are less likely to suffer miscarriages suggests
a. that pregnant women who don't get a hangover after drinking are at higher risk of having a child with fetal alcohol syndrome.
b. that women who don't experience morning sickness have high risk pregnancies and should receive higher level diagnostic tests, including a level 2 ultrasound.
c. that morning sickness may be a natural defense against the influence of teratogens.
d. that pregnant women who get a hangover after drinking have a lower risk of having a child with fetal alcohol syndrome.
Answer: C. That morning sickness may be a natural defense against the influence of teratogens.