Women over 35 are more likely than younger women to deliver multiple births. One of the

reasons for this is

a. women over 35 are more likely to have split zygotes.
b. women over 35 are more likely to employ fertility technology.
c. women under 35 have fewer ova.
d. women under 35 are less reproductive viable.

b. women over 35 are more likely to employ fertility technology.