Normal HCG values at 8 weeks of pregnancy range from 15,000 to 25,000 IU/L. After pregnancy, the values of progesterone and blood HCG in the pregnant woman’s body will increase significantly, especially the blood HCG may show the phenomenon of doubling, at 8 weeks of pregnancy, the normal value of blood HCG is usually between 15,000 to 25,000 IU/L. If a woman is 8 weeks pregnant, blood HCG and blood progesterone values are significantly lower, accompanied by abdominal pain, vaginal bleeding and other symptoms, may be the manifestation of the pathology caused by preeclampsia, need to be under the guidance of a professional doctor, the use of progesterone soft capsule and other medications for the preservation of the fetus, is conducive to the improvement of the condition as soon as possible. Pregnant women need to do a good job of regular pregnancy checkups, can be timely detection of the condition, timely diagnosis and treatment.