The first thing you need to do is to get a good idea of what you are getting into. The first thing that can happen to a woman is a psychological hazard, such as low self-esteem. In addition, the process of leg clenching can be unhygienic, sometimes resulting in bacterial infections that can cause urethritis or vaginitis. Also, long-term masturbation can lead to vaginal laxity, which may affect the sexual life of women in the future.