Does HCG double rule out ectopic pregnancy?

Whether intrauterine pregnancy or ectopic pregnancy, as long as during pregnancy, with the increase in the number of days pregnant, hcg will double growth, can not be ruled out by hcg doubled alone with ectopic pregnancy. Suggestions: you can go to the local regular hospital gynecology, through b-ultrasound examination, can rule out the possibility of ectopic pregnancy.