Early pregnancy test paper is lighter today than yesterday, it may be caused by the following reasons: i. Biochemical pregnancy, biochemical pregnancy will have a drop in blood HCG, and the color will be lighter through urine examination than the previous day’s examination. Second, ectopic pregnancy and miscarriage. Ectopic pregnancy will have the following clinical outcomes: 1. miscarriage; 2. rupture. In the clinical situation, once ectopic pregnancy and miscarriage occur, the color will also become lighter. Third, in the case of miscarriage one does not find out that the pregnancy product has been expelled outside the vagina and the color of the test will become lighter. When this happens, it is recommended to have a blood HCG test for a clear diagnosis and, if necessary, an ultrasound.