Ana Clara Has Just Found Out She Is Pregnant

Ana Clara has just found out she is pregnant.Ana Clara is 45 years old.There is a greater risk that her baby will have abnormalities,because:

A) older women tend to have poor diets.
B) as a woman ages,she is more susceptible to morning sickness.
C) Ana Clara will likely get poor medical care.
D) Ana Clara's eggs will be approximately 45 years old as well and so more likely to have genetic abnormalities.