There are several conditions that lead to short periods in women: 1. It may be due to the thin endometrium, and menstruation will stop when the endometrium is clean and exfoliated. 2. It may also be caused by the hormonal disorder of women who are stimulated by cold and cold during menstruation, or by emotional effects. Under normal circumstances, women’s menstrual period is within 3-7 days, the volume of menstruation within 20-70ml is normal, if the period is shorter than 3 days, it will easily lead to a decrease in the volume of menstruation, and women are not prone to pregnancy, it will easily lead to menstrual disorders, which is not conducive to physical health, women can do gynecological ultrasound and sex hormone examination. 3, if the hormone level disorder caused, need to give If the hormone level is disordered, you need to give hormones for regulation, and you should also pay attention to proper rest, increase nutrition and exercise to strengthen your body and make your menstrual cycle regular.