The school nurse is counseling a group of adolescent girls. What does the nurse explain about sperm ejaculated near the cervix?
a. They are destroyed by the acidic pH of the vagina.
b. They survive up to 5 days and can cause pregnancy.
c. They lose their motility in about 12 hours after intercourse.
d. They are usually pushed out of the vagina by the muscular action of the vaginal wall.
ANS: B
Sperm ejaculated near the cervix can survive up to 5 days and cause pregnancy even before ovulation.
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