It is possible to arrange intercourse before or after the day of ovulation, as long as it is within the ovulation period, it can improve the chances of pregnancy. For women with regular periods, 14 days before the next menstrual period is the day of ovulation, and 5 days before and 4 days after the day of ovulation are the period of ovulation, during which the frequency of coitus can be increased to improve the chances of pregnancy. However, the use of projected ovulation is not very accurate after all, you can monitor ovulation through ultrasound, you can have intercourse every other day when you are about to ovulate, until after ovulation. During the preparation for pregnancy, you should also pay attention to a healthy lifestyle, pay attention to rest, combine work and rest, do not have too much pressure. Do not smoke or drink alcohol. You should also avoid getting sick, so that you don’t get pregnant while taking medication, which is not good for the growth and development of the fetus.