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what is menstrual cycle?


Sagot :

Well, when a girl reach puberty, some changes may occur inside and outside, in a certain age, the egg cell inside the body of a woman will mature. If this egg cels0ls will mot be fertilizes, simple saying did not participate or had sexual interaction, this will go out of the body as blood. This will continue, until the egg cells are fertilizes
this shows the changes in the thickness of the wall of th uterus in preparation for implantation (if there is fertilization) and the shedding off of the wall(characterized by blood flow(in the absence of fertilization)