Describe in brief that uterus undergo receive zygote if fertilization does not occur?
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zygote is placed on the inner most side of uterus.
if fertilization not occur and sperm not come to uterus than in some day
layer of uterus break down and bleeding occur.
which call menstrual period.
if fertilization not occur and sperm not come to uterus than in some day
layer of uterus break down and bleeding occur.
which call menstrual period.
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