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Whar IS menstruation

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Whar IS menstruation
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Yogita Ingle 5 years, 6 months ago

The reproductive cycle starting from the one menstruation till the next one in the female primates is called menstrual cycle. The first menstruation which begins at puberty and is called menarche . The cycle is repeated at an interval of 28-29 days. Menstrual cycle involve three phases- menstrual phase, follicular phase and luteal phase.

Menstrual phase-

  • Menstrual flow occurs and lasts for about 3-5 days.
  • The endometrial lining of the uterus breaks along with the blood vessels which forms a red fluid and results in menstrual flow.
  • If the ovum is fertilized by a sperm menstrual flow does not occur and hence indicates pregnancy.
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