Which of the Following Statements Supports a Relationship Between the Menstrual

Which of the following statements supports a relationship between the menstrual cycle and female sexual activity?

A) Women are more likely to initiate sex during the middle of their reproductive cycle, when the woman is most likely to get pregnant.
B) Women on birth control pills exhibit a peak in sexual activity for only a few days after menstruation occurs.
C) Couples are more likely to have intercourse when the woman is actively menstruating only in the winter months due to low levels of estrogen.
D) Women exhibit a spontaneous decrease in sexual activity during the middle of their menstrual cycle, when the woman is most likely to get pregnant.