If you do not wear a condom and do not ejaculate, the chance of pregnancy is usually very small, but it is not completely impossible to get pregnant, it is also important to note that there is a very small chance of pregnancy. Therefore, it is important to avoid unreliable contraceptive methods when having intercourse during ovulation, and to try to schedule intercourse during ovulation if you have a pregnancy plan, or during the safe period if you do not have a pregnancy plan. Of course, the safe period is not very safe, there is also a very small probability of conception, safe period intercourse needs to take a reliable method, according to the wishes and needs of the arrangement of different periods or take different forms of contraception, each can take what you want to achieve the desired results.