Question

Why do we have periods?

Answer 1

Answer:

Every month or so, the uterus lining gets thicker to prepare for a fertilized egg if the woman becomes pregnant. If the egg doesn't get fertilized, that lining is released from the body as blood through the vagina. This monthly process is called menstruation or a period.

Answer 2

Answer:

first, I want to clear Girls only have periods. The uterus every month prepares itself to get the fertilized egg. If the egg doesn't get fertilize, then the endometrium lining which gets thin shed off and comes out with blood and mucus

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