If vaginal bleeding occurs 11 days after ovulation, judging by the approximate time, you should not be pregnant, and it could be a sign that you are about to have your period. This is because vaginal bleeding should not normally occur in a woman who is normally pregnant. A normal woman’s menstrual period is two weeks, or 14 days, after the day of ovulation. Vaginal bleeding 11 days after ovulation is more likely to be caused by shedding of the uterine lining. However, if it is only a small amount of blood, the possibility of pregnancy cannot be ruled out. If the endometrium sheds a small amount of blood due to some external environmental influences, there may also be some bleeding. Therefore, to determine whether pregnancy has been successfully conceived, you need to use early pregnancy test paper to detect more than two weeks after sex, or more than one week after intercourse, through blood tests to determine whether pregnancy, the accuracy is relatively high.