Successful fertilization is most likely to occur when intercourse occurs
A)within one week of ovulation.
B)between 2 days before and 1 day after ovulation.
C)one week before ovulation.
D)between 4 days before and 2 days after ovulation.
E)just before implantation.

Question

Quizplus · Accepted Answer

Sperm can survive for up to 5 days in the female reproductive tract, while the ovum is viable for 12-24 hours after ovulation. Therefore, the most likely time for successful fertilization to occur is when intercourse occurs between 2 days before and 1 day after ovulation.

Successful Fertilization Is Most Likely to Occur When Intercourse Occurs