Lower abdominal pain in pregnancy can be seen as a physical pain caused by pregnancy or as an abnormal condition that manifests as a pain similar to dysmenorrhea. The treatment of abdominal pain caused by different reasons is different. 1, if it is clear that early intrauterine pregnancy: at this time, the vague pain in the stomach is mainly considered to be physical abdominal pain caused by pregnancy, which is a normal physiological phenomenon, such pain is often manifested as a short-lived, dysmenorrhea-like pain, which is aggravated by exertion and can be relieved after lying down and resting. At this time, attention should be paid to rest. If the vague pain in the lower abdomen is prolonged and gradually aggravated, or if it is accompanied by a little vaginal bleeding, the possibility of pre-eclampsia or miscarriage cannot be ruled out, and it is necessary to immediately go to the hospital to recheck the blood HCG and early pregnancy ultrasound for a clear diagnosis. 2, ectopic pregnancy: if the pregnancy is not clearly intrauterine, the vague pain in the lower abdomen at the early stage of pregnancy, need to be alert to the possibility of ectopic pregnancy, ectopic pregnancy is often manifested as a long time, persistent pain in one side of the lower abdomen, at this time need to immediately seek medical attention, because the ectopic pregnancy progresses rapidly, rupture can cause syncope, hemorrhagic shock, and even life-threatening. 3, other diseases: if a pregnant woman has not been to the hospital, she can test positive for urine test paper at home by herself, which does not exclude the possibility of false positives, and the hidden pain in the lower abdomen does not exclude gastroenteritis, pelvic inflammatory disease, appendicitis, etc. To sum up, when you encounter pain in the lower abdomen in early pregnancy, regardless of the nature of the pain, you should go to the hospital in time to clarify the cause, do not wait at home to avoid ectopic pregnancy rupture hemorrhage, hemorrhagic shock, or even life-threatening.