Generally, it is possible for ectopic pregnancy HCG to rebound after a drop, but the chances of rebound are relatively low. Ectopic pregnancy is also known as ectopic pregnancy, mainly refers to the fertilized egg in the uterus outside the body cavity of the bed, the patient may appear menopause, abdominal pain, vaginal bleeding and other symptoms. HCG value is the value of human chorionic gonadotropin, usually in the formation of the fertilized egg will be released into the blood, through the blood test can be determined by whether the pregnancy. After a patient experiences a drop in HCG values for ectopic pregnancy, there is a possibility of a rebound, possibly with continued chorionic villus growth, but the chances of the HCG value rising again are relatively low. Usually the hcg value is not a basis for confirming the diagnosis of ectopic pregnancy. After confirming pregnancy, women should go to regular hospitals for ultrasound examination to see if the pregnancy sac is inside the uterus, if the pregnancy sac is not inside the uterus is the need for timely treatment to avoid hemorrhage and other situations.