It is more normal to feel like you are getting your period but not getting it. It is mainly seen when you are about to get your period, because the hormonal changes in your body will lead to discomfort, just like getting your period, such as lower abdominal cramps, lumbosacral pain, headache, dizziness, and chest pain. The onset of menstruation will occur within a short period of time after the onset of menstruation. The series of uncomfortable symptoms that occur with menstruation are mainly due to the increase of estrogen level in the body, the decrease of progesterone level and the congestion and edema of the pelvic cavity, and some women will have a small amount of pelvic fluid, which can be relieved by themselves. You need to pay attention to abdominal warmth to effectively relieve the symptoms, if the symptoms are obvious, especially abdominal pain is obvious need to take oral pain medication for treatment.