Estrogens are secreted by the
1. corpus luteum.
2. anterior pituitary.
3. ovarian follicles.
4. endometrium.
Correct Answer: 3
Rationale 1: Progestin is secreted by the corpus luteum.
Rationale 2: Gonadotropin-releasing hormone is secreted by the pituitary.
Rationale 3: Estrogens are secreted by the ovarian follicles.
Rationale 4: The endometrium does not secrete, since it is a part of the uterus.
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