All this happens as a result of growth of the uterus.

Highstand aperture leads to a change in the situation of the heart in 30% of women.

In 50% of women can hear the noise on the systolic apex of the heart and pulmonary artery in 12% (functional state of pregnancy). Can also hear additional tones, the focus of the second tone of the aorta.

ECG changes:

· Shift of electrical axis of the left

· Change of ST segment and T

· Rotation of the heart in a clockwise

Changes in the ECG:

· Increase in myocardial mass

· Increase in the size of the heart

Hematological indices:

· Reduction of hemoglobin (third semester)

· Lower hematocrit to 32-34% (increase of hematocrit says gestosis).

Increase · leukocytes to 10-12 to 10 in the ninth degree

· Increase in ESR to 50-52 mm / hour by the end of pregnancy

· Increase in neutrophils to 70%

· Changes the whole formula of the red blood that is not a pathology