9 Questions
Which event marks the beginning of the menstrual cycle?
Menarche
What is the average interval between two menstruations in human females?
28-29 days
What is the duration of the menstrual phase?
3-5 days
What causes the menstrual flow during the menstrual phase?
Breakdown of endometrial lining
What phase follows the menstrual phase?
Follicular phase
What happens during the follicular phase?
Graafian follicle matures
What induces changes in the ovary and the uterus during the menstrual cycle?
Ovarian hormones
What does lack of menstruation indicate?
All of the above
What is the liquid that comes out through the vagina during menstruation?
Menstrual flow
Test your knowledge on the menstrual cycle in female primates, including monkeys, apes, and humans. Explore the key stages and events within this reproductive cycle, from menarche to menstruation. Challenge yourself and learn more about this important aspect of female reproductive health.
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