There is no good way to do this. Tumors, especially malignant tumors, are highly heritable in families, and gynecological tumors such as breast cancer, uterine cancer and cervical cancer are more heritable. Since you have sex, don't worry about not getting married. You should go to the hospital for gynecological examination regularly every year. If you feel abnormal secretion, check it as soon as possible. Unlike heart, liver, lung and stomach tumors, gynecological tumors generally have a low cure rate and survival rate, while most gynecological tumors generally have a good prognosis as long as they are found in time. In addition, we must pay attention to the hygiene during sexual life. Many cervical cancers are caused by HIV. In short, don't worry too much, but you must check it regularly. You are still young, only once a year.