<qa>  What is the most common indication for gynaecological surgery?Pelvic organ prolapse POP is one of the most common indications for gynaecological surgery. In 1997, more than 225000 inpatient surgical procedures for POP were undertaken in USA 22.7 per 10000 women at an estimated cost of more than one billion dollars. In the UK, the disorder accounts for 20 of the women on the waiting list for major gynaecological surgery. Vaginal birth, advancing age and increasing body mass are the most consistent risk factors. Furthermore a racial and congenital predisposition has been reported. The cause of this disorder is likely to be multifactorial and attributable to a combination of factors, varying from patient to patient. 