The white board generally refers to the use of pregnancy test paper after the test was negative, 14 days after ovulation morning pregnancy test paper negative is hopeful, after such a situation can be a few days and then retested. Women measured after ovulation test paper was negative there is hope, because the test paper is mainly through the measurement of HCG value in the urine, urine itself HCG content is lower than the blood, and in the early stages of pregnancy pregnant women in the body of the HCG value may not be obvious, so at this time through the detection of the phenomenon will also produce a white plate. If your period is irregular and ovulation is delayed, and the measurement is negative 14 days after ovulation, it is not necessarily hopeless, you can use test strips to detect it in a few more days, and the positive measurement will get stronger and stronger as the pregnancy progresses. To confirm whether you are pregnant, you can go to the hospital to have your blood HCG levels tested. Although a negative measurement 14 days after ovulation is still more hopeful, pregnant women also need to do regular checkups to determine the development of the embryo and prevent pregnancy failure.