Researchers find that sexual daydreaming, sex drive, and sexual activity tend
A) to increase with age.
B) to decrease with age.
C) not to change with age.
D) to increase for women and decrease for men.
Question 2
Progestin
A) lowers estrogen levels.
B) delays ovulation.
C) increases the thickness and acidity of the cervical mucus.
D) increases progesterone levels.