The probability of getting pregnant by having sex on the tenth day of ovulation is very small, but the probability of getting pregnant cannot be completely ruled out. The probability of pregnancy is highest 1 to 2 days after ovulation because the egg usually survives for 1 to 2 days, which can vary from person to person and usually does not exceed 10 days. Individual women who miscalculate ovulation have a chance of conceiving after the so-called tenth day of ovulation. Fertilization occurs in most cases within a few hours after ovulation, usually no more than 24 hours. If no sperm combines with the egg for more than 24 hours, the egg will shrivel up and become necrotic, and the sperm will usually survive in the body for 2 to 3 days. In order to improve the chances of pregnancy can be based on their own ovulation to arrange the time of intercourse. If you are worried about pregnancy after intercourse on the tenth day of ovulation, it is recommended that you use morning urine to do early pregnancy tests or go to the hospital in time, under the guidance of the doctor to carry out the relevant early pregnancy tests.