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no girls r not dirty instead ur mindset is dirty
girls mensturate because if the egg is not fertilized it descends to uterus .uterus prepare every month to recieve and nurture a fertilized egg .its walls become thicker and spongy to help in implantation.hence the egg is not fertilize it last fr about 1 day and the uterus lining slowly breaks down and comes out through vagina as blood and mucuos.
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its okk
thnx sania
is ur nick name cool???
plz mark it as brainliest
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