Can the doctor check HCG value to judge ectopic pregnancy now

Check HCG value alone is not able to judge ectopic pregnancy, but can also be used as an indicator of diagnosis of ectopic pregnancy, normal pregnant women's blood HCG values in the early days are doubled every other day, but ectopic pregnancy patients 'blood HCG values will remain unchanged for a long time. The second best way is to go to the hospital to do uterine color Doppler examination.