What is sudden dizziness in the third trimester?

Women in the third trimester of pregnancy suddenly appear dizzy symptoms, generally considered due to abnormal blood pressure or anemia caused by, but also can be considered due to hypoglycemia, cerebral insufficiency and other factors caused. You need to go to the hospital obstetrics and gynecology department in time for detailed examination, such as blood routine, B ultrasound, etc., to maintain a comfortable mood.