Question 8 (part 2) · LEK · Physiology

The duration of a physiological menstrual cycle in females depends on:

  1. A. duration of the follicular phase of the ovarian cycle.
  2. B. duration of the luteal phase of the ovarian cycle.
  3. C. timing of corpus luteum regression.
  4. D. timing of the onset of menarche.
  5. E. age of the female.
Hint

One phase of the ovarian cycle has a fairly constant length; the other varies between women and between cycles.

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