HCG 2377mIU/ml on the 34th day of pregnancy cannot rule out ectopic pregnancy, ultrasound is needed to rule out ectopic pregnancy. After pregnancy, the level of HCG (human chorionic gonadotropin) in a woman’s body will gradually increase, at 34 days of pregnancy, the normal value of HCG is usually 3100mIU/ml, if the examination finds that the HCG is only 2377mIU/ml, it suggests that the level of HCG is too low, and there is the possibility of ectopic pregnancy. To rule out ectopic pregnancy, you need to have an ultrasound examination around 40 days of pregnancy, and if you find an embryo inside the uterus, you can diagnose an intrauterine pregnancy. If the embryo is found outside the uterus, it is ectopic pregnancy, and the pregnancy needs to be terminated promptly. During pregnancy, pay attention to rest more, at the same time should relax, avoid tension, anxiety, any discomfort should be timely to the hospital, by the doctor to clarify the diagnosis, and cooperate with the doctor to deal with the symptoms.