Frequent use of the hand usually refers to masturbation with the hand, which generally does not cause infertility. If you don’t pay attention to hygiene during masturbation, it will induce vaginitis, and when the inflammation involves the endometrium, fallopian tubes, it will have an impact on fertility. If you pay attention to hygiene during masturbation, wash your hands before masturbation, and use warm water to rinse the vulva after masturbation, it will not affect the quality of the eggs and will not affect the pregnancy. If you don’t pay attention to hygiene during masturbation, the pathogenic bacteria enter the vaginal opening, can not rule out the possibility of causing vaginitis, which will cause increased vaginal discharge and accompanied by unpleasant odor. If not treated in time, the inflammation involves the fallopian tubes and uterine lining, which may affect the pregnancy. In addition, women need to pay attention to personal hygiene, keep the vulva clean and dry, avoid frequent masturbation to avoid local damage or infection, and go to the hospital in time when there is vulvar discomfort or abnormal discharge.