If you are pregnant for 8 weeks and have a vague pain in your stomach, consider that it is caused by normal phenomenon, pre-miscarriage and other reasons. 1. Normal phenomenon: after pregnancy, the uterus slowly becomes bigger, in the process of enlargement, will cause local ligaments to pull hidden pain, usually the pain is not particularly serious, and there is no vaginal bleeding and other discomforts. 2. Pre-eclampsia: If the embryo has chromosomal abnormalities or due to some maternal factors, paternal factors, and environmental factors, fetal dysplasia will occur pre-eclampsia, abdominal pain symptoms, and there will be vaginal bleeding. There may also be other reasons for the vague pain in the stomach during the 8th week of pregnancy, it is recommended to go to the hospital in time, complete the examination to clarify the cause of the disease, and then give targeted treatment or treatment under the guidance of the doctor.