What's wrong with short periods?

The menstrual cycle is short and often insufficient function of luteum, menstrual cycle depends on the establishment of estrogen and progesterone regulation in the body, especially progesterone is very important. After ovulation progesterone secretion by luteum, this time if luteum function is insufficient, it can not maintain the thickness of the endometrium, it will cause menstruation ahead of schedule. Therefore, 2 to 3 days in advance of each month do not need to deal with, usually still need to strengthen nutrition, and need regular life, do not stay up late, so the menstrual cycle is relatively regular.