It is normal that the color of pregnancy test paper will become lighter when HCG is very high, mainly because the concentration range of HCG exceeds the detection range of pregnancy test paper, that is, it will become lighter. Usually, the higher the HCG index proves that the longer the pregnancy time, but the early pregnancy test paper is usually for women in the early stages of pregnancy detection, its measurement of HCG concentration is a certain range, if in this stage, the color will be darker performance, if the pregnancy time is longer, the HCG index will be more than the range, so the color of the early pregnancy test paper will be lighter accordingly. Early morning pregnancy test paper test positive can initially determine whether the pregnancy. If the preliminary judgment of pregnancy should go to the regular hospital for further examination to confirm the diagnosis, should be in the 31 days or 32 days after menopause blood test HCG to determine whether the pregnancy, blood HCG sensitivity than urine HCG sensitivity is higher. Intrauterine pregnancy can be determined by finding a gestational sac in the uterus through ultrasound. Pregnant women should pay attention to prenatal checkups during pregnancy, actively listen to the advice of professional doctors to do a comprehensive nursing care, pay attention to rest, and should relax, avoid tension, anxiety, and should go to the hospital in time if there is any discomfort.