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Why is mensuration occur in females? |
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Answer» It occurs due to rise and fall of hormones. This cycle starts in the thickening linning of uterus and growth of an egg. If pregnancy doesn\'t occurs then menstruation occurs. It occurs in females when the eggs or ovumes are fertilised by sperms. During puberty, the inner linings of uterus become thick and joined by a number of blood vessels. But when eggs are not fertilized and zygote formation does not occurs. The blood and other materials come out resulting in menstruation. Because it is natural phenomenon |
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