HCG blood test can certainly detect the possibility of ectopic pregnancy

HCG blood test can only be used to assist in the diagnosis of ectopic pregnancy, but hcg alone can not be diagnosed as ectopic pregnancy. Ectopic pregnancy hcg level is lower than intrauterine pregnancy, if hcg positive, more than 45 days B ultrasound examination can not see the gestational sac in utero, need to be alert to ectopic pregnancy. Also need to pass after the fornix puncture, diagnostic curettage and other examinations to comprehensively judge.