If you masturbate once in a while, it will not lead to missed periods. The menstrual cycle is regulated by the body’s hormones and masturbation will not affect the body’s hormone secretion. However, if masturbation is frequent, it can easily cause general weakness, depression, insomnia, and masturbation without paying attention to hygiene can also easily cause urinary tract infections and vaginitis. The mental overstimulation, long-term insomnia, gynecological inflammation can cause disruptions in the menstrual cycle, which can easily cause menstrual failure. It is best not to masturbate too often, usually participate in more group activities, which can divert attention, usually pay attention to vulva hygiene, and not wear tight underwear. If occasionally a masturbation after a period does not come, consider other causes, such as endocrine disorders, gynecological infections, may be caused by changes in the living environment, it is best to go to the hospital in time for examination, under the guidance of doctors reasonable medication regulation.