Compared to Younger Pregnant Women, Women Over the Age of 35

Compared to younger pregnant women, women over the age of 35 who become pregnant:

A) report higher levels of anxiety and depression.
B) have higher rates of premature delivery and low birth weight babies.
C) even if they are healthy, are more at risk of having a child with birth defects not related to abnormal chromosomes.
D) have lower rates of birth defects due to chromosomal abnormalities.