Sudden swelling of the feet in 36 weeks of pregnancy may be due to obstruction of blood return to the lower limbs, endocrine changes, hypertension in pregnancy, severe anemia and other reasons.
1. Obstruction of blood return to the lower limbs: the uterus will gradually increase in size during the 36th week of pregnancy, increasing the pressure on the pelvic veins and causing obstruction of blood return to the lower limbs, which is more serious, and will result in the manifestation of sudden edema.
2. Endocrine changes: 36 weeks of pregnancy endocrine changes occur accordingly, the body of estrogen, aldosterone secretion increases, pregnant women in the body of water, sodium retention increases, there may be sudden edema performance.
3. Hypertension during pregnancy: patients with hypertension during pregnancy may have proteinuria, protein in the tissues is excreted in the urine, and the level of albumin in the plasma decreases significantly, which will result in varying degrees of edema, and may show sudden swelling of the feet.
4. Severe anemia: 36 weeks pregnant with severe anemia will lead to water in the blood vessels penetrate into the tissue interstices, triggering edema of the lower extremities, which will also be manifested in swollen feet.
There are many reasons why the feet suddenly become swollen in 36 weeks of pregnancy, accompanied by other discomforts, it is recommended to consult a doctor in time.