Early pregnancy test strips are generally able to reflect changes in HCG (human chorionic gonadotropin) in the urine. However, the fact that HCG is not yet elevated in the urine does not indicate that there is no pregnancy; nor does the fact that HCG is elevated in the urine indicate that a normal pregnancy must have occurred. Early pregnancy test paper negative, indicating that the urine HCG did not rise, may not be pregnant, may also be due to the fertilized egg has not yet been laid, can not secrete HCG caused by this situation need to wait a few more days, or you can go to the hospital to take blood to measure the value of HCG, the blood value of HCG is generally more sensitive to changes. Early pregnancy test paper positive, indicating that the urine HCG elevated, may be pregnant, but may also be due to biochemical pregnancy, ectopic pregnancy, uterine fibroids miscarriage and other conditions resulting in the rise in HCG, in addition, some ovarian tumors, gravidas and other diseases may also lead to elevated HCG values. Early morning pregnancy test paper can be used as a preliminary screening to determine whether you are pregnant or not, but to confirm whether you are pregnant or not, you still need to go to the hospital to improve blood sampling, ultrasound and other tests. If you have any other questions, it is recommended to consult a professional doctor for guidance.