Respuesta :

Menstruation is known as a period. Guys don't get it but girls do because they have a uterus that prepares for fertilization of an egg one week out of each month. 

Answer:

Menstruation is the technical term you need to get your day. About once a month, menstrual bleeding should happen in females who have reached puberty. This is because, by becoming stronger and thicker in veins, your uterus wall has equipped for a new possible pregnancy. This thickened substance is released, triggering bleeding, if conception does not happen.

Explanation:

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