Which of the following best describes changes in reproductive functioning as men and women age?
a. lower sperm counts in men are almost always related to a disease state, while in women the inability to reproduce is almost always age-related
b. a woman produces fewer eggs as she ages and men produce fewer sperm as they age
c. a woman will produce fewer eggs as she ages, but men typically do not show a decline in sperm production as they age
d. reproductive ability declines equally in men and women as they age