After numerous attempts , he perfected the operation and it remains virtually the same today .
Sims operated on Anarcha , Lucy and Betsey , three slaves with fistula who should be considered the mothers of modern gynecology .
After numerous attempts , Sims perfected the operation and it remains virtually the same today .
Sims operated on Anarcha , Lucy and Betsey , three slaves with fistula who should be considered the mothers of modern gynecology .