Menstrual Cycle and Spermatogenesis · Physiology

Which hormone is primarily responsible for the recruitment and early growth of primary follicles during the follicular phase of the menstrual cycle?

  1. Mid-cycle luteinizing hormone surge
  2. Follicle-stimulating hormone (FSH)
  3. Ovarian progesterone (P4)
  4. Sertoli-cell inhibin B (IB)
Show answer and explanation

Correct answer: Follicle-stimulating hormone (FSH)

FSH is released by the anterior pituitary to stimulate the growth of ovarian follicles. As follicles develop, they begin to secrete estrogen, which provides feedback to the hypothalamus and pituitary.

Difficulty: Medium Question 21 of 40

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