This description of the epidemiology of hospital admission
for prolapse in a population of married British
women who attended family planning clinics in England
and Scotland between 1968 and 1974 is generally
in concordance with review articles in the gynaecology
literature'.'J8. By far the most striking association is
with increasing parity, with an eleven fold increase in
risk in mothers of four or more children compared with
nulliparous women. Most of this increase in risk has
occurred once a woman has had two children. Less than