Can progesterone and HCG rule out ectopic pregnancy?

Women in the early stages of pregnancy, can be through the blood HCG monitoring value doubled to identify whether ectopic pregnancy. Because ectopic pregnancy blood HCG will not rise, can be used as a basis for identification. But if you want to diagnose ectopic pregnancy, or suggest to go to the hospital to do color ultrasound and other examinations, light through progesterone and HCG is not ruled out ectopic pregnancy.