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What is happening in the uterus that leads to menstruation?
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What is happening in the uterus that leads to...
human-reproduction
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During menstruation, the
endometrium
or the inner wall of uterus
breaks down
due to
tearing of blood vessels.
During this phase,
bleeding
occurs as the
endometrium
of the uterus is
slogged off.
Menstrual flow consists of secretion of endometrial glands, cell debris, unfertilized ovum along with 35-45 ml of blood.
The
thickness
of the endometrium becomes
0.5 to 1 mm
.
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