The weakness of the body is not a sign of impending birth, and the weakness of the body is a normal sign of pregnancy. However, if you feel uncomfortable in other parts of your body, you need to be checked in time. Generally, if you have high blood pressure or high blood sugar in the second trimester, you may experience weakness, dizziness and headache. If these values are within the normal range, then no special treatment is needed and they are physiological. But if the blood pressure is high, then timely symptomatic treatment is needed. Otherwise, high blood pressure may cause hypertensive eclampsia, and if high blood sugar can easily lead to diabetes complicating ketoacidosis, which can seriously cause shock in pregnant women.