Daniel and Nellie Are Hoping to Maximize Nellie's Chances of Becoming

Multiple Choice

Daniel and Nellie are hoping to maximize Nellie's chances of becoming pregnant.When should they have intercourse?

A) between the 6^th and 21^st days of the menstrual cycle
B) 5 days after the onset of ovulation
C) 14 days after the onset of menstruation
D) 28 days after the onset of menstruation