If you experience stomach pain and blood in the early stages of pregnancy, you should go to the hospital promptly for examination. One of the common causes is pre-eclampsia and the other is ectopic pregnancy. If there is a preterm miscarriage, timely examination should be conducted to determine for birth control, and if it is an ectopic pregnancy, symptomatic treatment measures need to be taken in a timely manner. If it is an early ectopic pregnancy, it can be treated conservatively by taking the drugs mifepristone and misoprostol to avoid serious development of the condition. If the condition progresses more rapidly, with significant stomach pain and increased bleeding, surgical treatment should be taken in a timely manner, otherwise it may be life-threatening. First of all, the progesterone value should be determined. If the progesterone value is low for intrauterine pregnancy, oral progesterone or intramuscular progesterone injection can be administered to preserve the pregnancy.