Soreness in the lower back at eight weeks of pregnancy may be abnormal, and pregnant women should be vigilant and take more rest to avoid miscarriage. The appearance of back pain in eight weeks of pregnancy may be due to the fetal development of the uterus after the enlargement of the uterus, due to the pulling of the ligaments around the uterus, resulting in back pain, but it may also be due to the occurrence of back pain due to miscarriage of the first trimester. So if this symptom occurs, you need to be vigilant and try to rest in bed as much as possible to relieve the back discomfort. If the symptoms of back pain through rest still did not get better, you need to go to the regular hospital in time for examination, and if necessary, under the guidance of the doctor for fertility preservation treatment, so as to avoid delayed treatment and miscarriage. Pregnant women should pay attention to their own physical condition during pregnancy, if there is any abnormality, you need to consult a doctor for examination in time. At the same time during pregnancy to strengthen the nutrition, more rest, avoid labor, stay up late.