To convince gynecologists that parturition is not only a factor, but the principal factor, in producing morbidity which calls for their interference, no other argument is needed but the statistics of their own practice.
Not having any special statistics at my command, I can not give the percentage of the cases of gynecic practice due directly or indirectly to parturition. They, of course, vary in different communities, as well as in the practice of different gynecologists. From what I can cull from general statistics, and from my own, as well as some statistics kindly furnished me by several gentlemen of large experience, I feel justified in saying that considerably over 50 per cent. of all gynecologic cases can be charged to parturition. The statistics furnished me vary very materially; the lowest are 55 per cent., and the highest 90 per cent., the average being about 66 per cent. The percentage
DUFF JM. PARTURITION AS A FACTOR IN GYNECOLOGIC PRACTICE.. JAMA. 1900;XXXV(8):465–468. doi:10.1001/jama.1900.24620340001001