Which of the following endocrine changes are typical during the last 2 years before the final menstrual period? (Select all that apply.)

A) Increased testosterone levels
B) Decreased antral follicle count
C) Increased follicle-stimulating hormone levels
D) Decreased progesterone levels
E) Increased estradiol levels

Antral Follicle

A fluid-filled sac in the ovary that contains an immature egg, critical in the process of ovulation.

Follicle-Stimulating Hormone

A hormone secreted by the pituitary gland that stimulates the growth of ovarian follicles in females and sperm production in males.

Testosterone Levels

The amount of the male sex hormone, testosterone, present in the bloodstream, affecting various bodily functions and characteristics.