A Young Woman Is Seen in the Clinic the Morning

A young woman is seen in the clinic the morning after having unprotected sex. She is crying and states, " I can't get pregnant, please help." After a conversation with the young woman, the health care provider suggests taking Preven. How does the nurse explain the action of this drug to the client.

A) Preven will abort the embryo.
B) Preven will act as a spermicide within the uterus.
C) Preven will prevent ovulation or implantation form taking place.
D) Preven acts by slowing the motility of the sperm.