The symptoms of back pain at the beginning of pregnancy should not be directly related to pregnancy. At the beginning of pregnancy, the enlarged uterus is still located in the pelvic cavity, and in addition to the symptoms of menopause, pregnant women may also experience nausea, vomiting, loss of appetite, dizziness, fatigue, drowsiness, and other early pregnancy reactions, but generally does not cause back pain. The causes of back pain symptoms may be: 1, the patient for a long time in a sitting position or bed-ridden state, the lack of necessary physical activities. 2, a long time of low head, such as the use of cell phones, computers, resulting in chronic strain on the local muscles. 3, due to personal care is not good, cold stimulation, causing local muscle pain. Pregnant women should pay attention to develop good habits, work and rest, appropriate physical activity, pay attention to keep warm.