What causes sciatica in pregnant women?

　　Pregnant woman's ischium nerve Pain usually occurs in the third trimester of pregnancy. What causes it?

　　1. The growth of the fetus puts pressure on the back

　　In the third trimester of pregnancy, fetus The weight adds pressure to your back and pinches the sciatic nerve, causing a sharp, stabbing pain from the waist down into the leg.

　　2. Edema during pregnancy is an important cause

　　because Uterus After compressing the inferior vena cava, the venous return is not smooth, and the water cannot easily return to the heart for metabolism, so it will cause pitting edema in the lower limbs, such as the back, calves, feet, etc., which can easily compress the sciatic nerve and lead to painful symptoms. 》》》 Pregnant woman appears7Be careful with these symptoms