Patients with iliac vein compression syndrome can get pregnant if their condition is mild, but not if their condition is severe. If the condition of patients with iliac vein compression syndrome is not serious and they do not have clinical symptoms, they can get pregnant, but they have to go to the hospital for regular checkups during pregnancy. If the patient’s iliac vein compression syndrome, the range of venous compression is more than 50%, which may lead to lower limb swelling, weakness, varicose veins, lower limb ulcers and other manifestations of the patient, and some patients may have lower limb ulcers and lower limb thrombosis in severe cases, then pregnancy is not possible. Iliac vein compression syndrome may affect blood circulation, and if the patient is pregnant, it will affect the nutritional supply to the uterus, which may lead to poor development of the fetus. It is recommended that patients with iliac vein compression syndrome need to seek timely medical treatment, and doctors will choose appropriate treatment measures according to the patient’s physical condition and determine whether pregnancy is possible.