





In the supine position, the pressure of the uterus on the inferior vena cava is increased, which may lead to a sharp deterioration of the venous outflow. Because of this, you may experience fainting. Once reposition, this feeling will pass.
If you find yourself prone to such a state (this is possible in 7-14% of pregnant women), do not worry, doctors do not consider it a disease and not just recommend lying on your back.
For a better exchange of substances between blood and tissues of pregnant women increases the permeability of the capillary walls, but it also contributes to the fragility of small vessels, causing bruises may appear.
The same phenomenon causes the danger of retinal detachment in women with myopia (if necessary optometrist may send you to laser coagulation of the retina, in order to strengthen it in advance, otherwise it can flake off during childbirth; photocoagulation - a procedure virtually painless).
.