Vanessa,a Hairstylist,is Planning to Have a Child

Vanessa,a hairstylist,is planning to have a child.Her doctor informed her that she may be at risk of giving birth to a child with developmental difficulties because

A) hairstylists interact with many people every day and are thus exposed to many germs.
B) the long hours hairstylists spend on their feet expose the fetus to increased stress.
C) hairstylists are exposed to potential teratogenic substances such as aerosol propellants and solvents.
D) hairstylists tend to have a smaller support system during stressful times.