Changes in the body during pregnancy.

Any changes during pregnancy are adaptive in nature. Adaptive changes in the cardiovascular system.

Functional changes can simulate organic.

Hemodynamics: increase the volume of blood - gipervolemiya, increased emissions, increase in heart rate, increased venous pressure. Thus there increase in body weight, uterine growth, development and growth of the placenta, increasing rate of metabolic processes (15-20%), the inclusion of placental circulation, increase blood flow (5-7 times), increase in mass circulating blood.

Gipervolemiya - increasing the mass of circulating blood. The main mechanism ensuring the maintenance of optimal conditions of microcirculation, delivery oxygen to the fetus, maintenance mikrotsikrulyatsii in the placenta and a vital maternal organs (heart, kidney, brain). It has a protective, adaptive significance: during childbirth a woman loses blood and from the first days bermennosti she prepares for this.