What is the time frame associated with the entry of sperm into the vagina and possible fertilization of the secondary oocyte?
A) from a few days before to a few days after ovulation
B) a few days before ovulation only
C) a few days after ovulation only
D) a week after ovulation
E) a week before ovulation

Question

Quizplus · Accepted Answer

Sperm can survive in the female reproductive tract for up to 5 days, and the secondary oocyte is viable for about 24 hours after ovulation. Therefore, fertilization is possible from a few days before to a few days after ovulation.

What Is the Time Frame Associated with the Entry of Sperm