Biology, asked by afrahakramshk, 5 months ago

why does menstruation occur?​

Answers

Answered by SweetestBitter
2

Answer:

A period happens because of changes in hormones in the body. ... The ovaries release the female hormones estrogen and progesterone . These hormones cause the lining of the uterus (or womb) to build up. The built-up lining is ready for a fertilized egg to attach to and start developing.

Answered by Anonymous
11

Explanation:

A period happens because of changes in hormones in the body. ... The ovaries release the female hormones estrogen and progesterone . These hormones cause the lining of the uterus (or womb) to build up. The built-up lining is ready for a fertilized egg to attach to and start developing.

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