The following symptoms may occur after having intercourse after ovulation: a. Menopause, if you do not have your period when it is due, or if you have not had your period for more than 5 days, the possibility of pregnancy is very high. If the sperm and the egg have united and entered the uterine cavity, the basal body temperature will continue to rise, and if the high temperature state lasts for more than 15 days, the possibility of pregnancy is very high. If you have not had your period for more than 5 days, it is advisable to take an early pregnancy test to find out if you are pregnant. It is also advisable to have intercourse during ovulation and plan to get pregnant, so that you can enhance your nutrition in your diet, which is conducive to good fertility.