why valva imit blood during menustration cycle
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Because During menstrual cycle in females The uterus lining becomes thick and spongy with blood vessels and when this uterus lining breaks out Results in bleeding .....
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Please mark it as a brianliest answer if helpful to uh....
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HStar
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More women are affected by varicose veins, and parous
women have an increased risk of developing varicose veins
compared with nulliparous women.10 Family history, age,
race, weight, occupation, pregnancy, oral contraceptives,
and cardiovascular disease have been identified as possible
etiologic risk factors.10–13
The influence of increased levels of female sex hor-
mones, especially during pregnancy, on venous disorders
of the legs has been noted by many investigators.1–5,14–20
In addition, estrogen and progesterone receptors were
found in sections of venous walls, suggesting an involve-
ment of sex hormones in the pathogenesis of varicose veins
by a mechanism that has yet to be identified.21–24
.hope help##
women have an increased risk of developing varicose veins
compared with nulliparous women.10 Family history, age,
race, weight, occupation, pregnancy, oral contraceptives,
and cardiovascular disease have been identified as possible
etiologic risk factors.10–13
The influence of increased levels of female sex hor-
mones, especially during pregnancy, on venous disorders
of the legs has been noted by many investigators.1–5,14–20
In addition, estrogen and progesterone receptors were
found in sections of venous walls, suggesting an involve-
ment of sex hormones in the pathogenesis of varicose veins
by a mechanism that has yet to be identified.21–24
.hope help##
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