What is the grading standard of uterine prolapse?

Uterine prolapse means that the uterus descends from the normal position along the vagina, and the external opening of the cervix reaches below the level of the ischial spine. According to uterine prolapse, it can be divided into three degrees 2 1 13. It was once a mild uterine prolapse. The extracervical 526 1 mouth is less than 4 cm from the edge of the hymen, but it does not reach the hymen. You can see the cervix at the vaginal opening. The second degree is moderate, the cervix is out of the vaginal orifice, but the uterine body can still be in the vagina 4102; The third degree 1653 is severe, indicating that both the cervix and uterus are out of the vaginal orifice.