Change characteristics blood flow uterine before labor

The article deals with research findings of uterus and uterus cervix blood flow in 120 healthy pregnant women in 37-42 weeks gestation period by transabdominal and transvaginal ultrasonic determination. The researches carried out have revealed marked interrelation between characteristics of uterus blood flow changes and the date of labor. In the last two weeks of gestation there is an intensification of uterus cervix blood supply and before labor there is a filling of uterus cervix with blood due to the increasing of venous vessels number and volume.