The blank slate here refers to a negative early morning pregnancy test. A negative early morning pregnancy test 15 days after ovulation is still promising and pregnancy cannot be ruled out. In general, women who want to get pregnant can usually increase the number of coitus at the time of ovulation, which can improve the chances of conception. Utilizing early pregnancy test paper 15 days after ovulation, a negative test does not mean there is no hope. Fifteen days after ovulation, may be because the fertilized egg into the uterine cavity to bed time is short, the woman’s body of the human chorionic gonadotropin level is relatively low, so at this time for early morning pregnancy test paper test, the accuracy may not be very high, there will be false negative results. When the patient appears 15 days after ovulation early morning pregnancy test negative situation, you can first wait patiently, delayed for a period of time and then go to the hospital to check, so as to determine whether the pregnancy.