Feeling like you are going to get your period but not getting it can be due to psychological effects or pathological factors. If you are mentally overstressed or have disrupted physiological cycle due to various factors, such as abortion, use of contraceptive pills, staying up late, fire, poor rest, etc., it will lead to the disruption of hormone level in your body, which will lead to irregular menstruation, if you do not get your period, it means that your period is delayed, if you feel like you are getting your period when you are not supposed to, it means that it is caused by psychological effects. If you feel like you are having your period when you are not supposed to, it is due to psychological effects, as your estrogen levels may increase due to stress. Pathological conditions include menstrual cycle disorders or gynecological diseases, such as pelvic effusion and irregular menstruation, especially if the menstrual cycle is unstable and the hormone level in the body is lacking.