Early pregnancy test paper a deep and light blood said not pregnant, first of all, consider the quality of the test paper, followed by biochemical pregnancy, ectopic pregnancy and other cases. 1. test paper quality problem: early pregnancy test paper itself has a certain expiration date. If a woman buys a pregnancy test paper with an expiration date, it will lead to abnormal test results, appearing early pregnancy test paper a dark and light blood said not pregnant. At the same time, if there is moisture during the preservation of early pregnancy test paper, the above situation may also occur. 2. Biochemical pregnancy: This phenomenon is mainly due to the poor state of female endometrium, endocrine level disorders, or chromosomal abnormality of embryo, poor quality of embryo and so on. HCG levels in women’s bodies will first show a small increase, appearing early pregnancy test paper one dark and one light test results, and then due to the abortion of the hormone level decline, which leads to women to the doctor after the blood prompted not pregnant. 3. Ectopic pregnancy: this disease is mainly due to the existence of tubal inflammation, tubal dysplasia and other conditions, or unprotected sex after oral contraceptive pills but contraceptive failure and other conditions. Because the fertilized egg is not in the uterus inside the bed, so the HCG level in the female body will rise, but the rise is not obvious, if the female medical examination, the HCG level in the blood has not yet reached the standard of pregnancy, there will be a morning pregnancy test paper a deep and a shallow blood draw said that there is no pregnancy. There are many clinical reasons why a woman’s early pregnancy test paper may say she is not pregnant, so it is recommended that she undergoes further examination to clarify the specific reasons.