How to diagnose ectopic pregnancy

If the increase of HCG is greater than 66% every two days, an intrauterine pregnancy can be diagnosed. If the increase is less than 66 percent, there is a high risk of dysplasia in ectopic or intrauterine pregnancies. For ectopic pregnancy, due to the thin tubal muscularis, poor blood supply, HCG secretion is very low, less appreciation, 48 hours up less than 50%.