Measured after 6 days of coitus a deep and shallow, often and test paper false positive or pregnancy related, at this time should be combined with their other conditions for diagnosis. First, the test paper false positive 1, the impact of drugs: if the patient has recently taken hCG containing ovulation drugs, may make the test paper false positive; 2, improper operation: if the patient did not follow the instructions to operate correctly, so that the test paper soaking time is too long, the urine volatilization, sometimes there will be a second weakly positive band, resulting in a false positive result; 3, the test paper is expired: if the test paper has been more than the use of the period of time, it is often manifested as false positive. Positive. Second, the pregnancy test paper is dark and light, weak positive, indicating that the urine contains a small amount of hCG, may be caused by pregnancy. At this time should go to the hospital obstetrics and gynecology clinic, blood test hCG content, in order to clarify whether the pregnancy. If pregnancy is confirmed, the mother and people around her should quit smoking to avoid the fetus being affected by nicotine. In addition, folic acid and trace elements should be supplemented as prescribed by the doctor to ensure the development of the fetus. You can eat more fresh fruits and vegetables to supplement all kinds of nutrients for your body. In case of abnormalities such as vaginal bleeding and abdominal pain, do not use medication on your own, but go to the hospital as soon as possible to avoid the medication affecting the normal development of the fetus.