The average physiological cycle is 28 days, 1 week ahead or behind is generally regarded as a normal phenomenon, so the cycle within 21~35 days is normal. If the physiological cycle is lower than 21 days, it is early menstruation, which may be related to endocrine disorders, premature ovarian failure, gynecological inflammation and other factors.
1. Endocrine disorders: If you have an irregular work and rest schedule, are under stress, or eat foods with high energy content, it is likely to cause endocrine disorders, which may lead to early menstruation.
2. Premature Ovarian Failure: Premature ovarian failure will lead to a decrease in the level of estrogen in the body, which may cause early menstruation.
3. Gynecological inflammation: when suffering from pelvic inflammatory disease, uterine inflammation and other diseases, it will cause women’s menstruation to advance, and may also be accompanied by lower abdominal pain and other phenomena.
To summarize, early menstruation is an abnormal phenomenon, it is recommended to go to the hospital in a timely manner to check the cause of the disease and then targeted treatment, to avoid delaying the condition.