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Pregnancy calls for top
performance from a woman's body. The circulation and vessels in
particular have to work under difficult conditions for the nine months
and beyond. During pregnancy the veins have to transport about a 20%
greater volume of blood - this is approximately equivalent to one litre
of blood which helps supply the womb and the unborn child. Venous
problems are often the price to be paid. Already in initial pregnancy
30% of all women are affected and in later pregnancy up to 70%.
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Risc factor
Pregnancy |
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As pregnancy advances, the
growing womb also presses on the veins in the pelvic
region thus making the flow of venous blood back to the
heart more difficult
1. womb
2. pressure
on the vein
3. pelvic
4. pressure
on the vein |
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It is primarily hormonal changes in the body which
have the task of making the tissue of the womb more elastic and for this
purpose increased quantities of the hormone progesterone are produced.
One of the unwanted side-effects can be that the vein walls also become
more elastic and go baggy with the result that blood pools in the legs.
As pregnancy advances, the growing womb also presses on the veins in the
pelvic region thus making the flow of venous blood back to the heart
more difficult. Blood congestion in the legs and pelvic region increases
and the risk of varicose vein formation also increases because the
venous system is under the most extreme stress. Although most of the
varicose veins return to normal after the birth, you should nevertheless
start to do something for your veins right at the start of pregnancy.
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