During a routine health examination, a 35-year-old woman who uses oral contracep

During a routine health examination, a 35-year-old woman who uses oral contraceptives tells the nurse, “I want to have children, but I want to wait a few more years.” Which response by the nurse is appropriate?
a.   “Because of your age, you may need to stop taking oral contraceptives several years before you want to become pregnant.”
b.   “You still have many years of fertility left, so there is no rush to have children.”
c.   “You may have more difficulty becoming pregnant after about age 35.”
d.   “If you do not have children within the next few years, it will be very difficult for you to become pregnant.”