3 major reasons for expectant mothers to have swollen feet during pregnancy

　　The editor below will introduce to you the 3 major causes of swollen feet during pregnancy. I hope expectant mothers will understand it!

　　First, it is because after pregnancy, the blood volume of pregnant women will continue to increase with the increase of gestational age, reaching the peak at 32 to 34 weeks of pregnancy, which is about 35% higher than before pregnancy, with an average increase of 1500 ml. As the circulating blood volume increases, the amount of blood discharged by the heart will increase.

　　2. The number of capillary beds throughout the body has increased, and the diameter of the capillaries has also increased. The result is that more fluid will "pass" through the capillary walls and enter the tissue space.

　　3. After pregnancy, a large amount of blood must be collected from fetus “residential” Uterus It flows to the inferior vena cava, which will cause the inferior vena cava pressure to increase; in addition, after 20 weeks of pregnancy, the enlarged uterus will compress the pelvic veins and inferior vena cava, blocking the venous blood return, so the venous pressure of the lower limbs will further increase. Pregnant women have swollen feet.

　　Be sure to pay attention to the occurrence of abnormal foot swelling:

　　If you find that your edema is large, extending from the ankles and calves to above the knees, and even in the vulva, abdomen, upper limbs, face, etc.; or it does not subside after 6 to 8 hours of bed rest; or it is accompanied by elevated blood pressure or hematuria. then have to arrive Hospital Go for a checkup, because pregnant women may develop gestational hypertension syndrome, and gestational hypertension can cause abnormal kidney and heart function in pregnant women.