A red and white pregnancy test usually indicates a negative test and no pregnancy. If you are pregnant, it may be caused by inaccurate results of the pregnancy test. Improper operation, short duration of pregnancy, pregnancy test expired, embryonic dysplasia, etc., will affect the results of the pregnancy test.1, pregnancy test results inaccurate: the accuracy of the regular qualified pregnancy test is generally 85% -95%, not 100% accurate. It is recommended to go to the hospital, check the blood HCG and progesterone, comprehensive judgment of the development of the embryo, according to the time of menopause to arrange ultrasound examination time. At the same time pay attention to rest, strengthen the nutrition, do not contact with toxic and harmful substances, regular pregnancy examination; 2, other factors affect the test results: if the use of pregnancy test stick method is not appropriate, not with morning urine for testing, or pregnancy test stick expired, or the pregnancy time is short, the embryo itself is not well developed, resulting in the HCG content in the urine is too small, there will be a false-negative situation, that is, the stick is a red and a white, but the pregnancy. You can change the pregnancy test stick after 3-5 days, follow the instructions and retest, and if necessary, go to the hospital to take blood to check HCG and do ultrasound at the same time to rule out ectopic pregnancy. Pregnancy test results may be affected by a number of factors, a pregnancy test stick with a red and a white color, but the latter is pregnant, is possible, it is recommended to follow the instructions for use. If you are still unsure, you can go to the hospital for blood HCG or gynecological ultrasound to clarify whether you are pregnant and the status of pregnancy.