Usually, menstrual disorders are not very related to watching the two. Menstruation, is the cyclical shedding and bleeding of the endometrium that accompanies the cyclical changes of the ovaries. There are many reasons for irregular menstruation, such as fatigue, mental stress, and stress may affect menstruation. You need to go to the hospital for examination and the doctor will see which aspect is the problem according to the situation. Sexual stimulation is not one of the influencing factors for menstrual changes, and watching movies will not cause menstrual disorders. However, it should be noted that during menstruation it is recommended to avoid stimulation by external things such as masturbation, sex, tub baths, etc. Bacteria are likely to enter the vagina and cause gynecological diseases such as vaginitis, which may then indirectly lead to menstrual disorders. Therefore, you should pay attention to good habits and pay attention to menstrual maintenance and hygiene.