once a month, your uterus prepares itself to receive a fertilized egg that will become a baby. the walls of the uterus become plump with blood. If there is no fertilized egg, the blood is not needed and so the muscles contract and expel the excess blood that has accumulated.
It's expelled through the cervix and into the vagina and then out.
2006-10-05 12:40:17
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answer #1
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answered by Anonymous
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Mentral? Menstrual or menses. It is the lining that the uterus produces to nourish the potential conceived child. When conception fails to occur, the body sheds that lining and starts the process again for the next month.
2006-10-05 12:41:54
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answer #2
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answered by answer annie 5
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The endometrium - the lining of the uterus which grows (accumulates) during the 28 or 31 day cycle preparing your uterus for the implantation of a fertilized egg cell. If the egg does not get fertilized, you then have your menstrual cycle (period).
2006-10-05 12:38:46
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answer #3
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answered by Vita 3
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It is sheaded from the walls of a womans uterus every 28 days. Thats why it's called a cycle.
2006-10-05 12:40:30
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answer #4
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answered by tanyahurt76 2
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ok when your egg comes out from the ouvuals it kinda waits in the lining of the uteris and when the egg doesnt meet sperm the egg and the blood lining of the uteris comes out therefor you have your period
2006-10-05 13:17:56
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answer #5
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answered by james 2
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from the outside of the uterus
2006-10-05 12:47:57
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answer #6
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answered by mary h 1
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The lining of your uterus.
2006-10-05 12:38:29
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answer #7
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answered by Anonymous
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