A national survey evaluating obstetric providers' attitudes and regional trends of trial of labor after cesarean.

To evaluate trends amongst residency programs offering trial of labor after cesarean delivery (TOLAC). An electronic survey was sent to Program Directors of every obstetrics and gynecology residency program accredited by the Accreditation Council for Graduate Medical Education (ACGME) in the USA and Puerto Rico publicly available e-mail address for 249 of the 249 programs. The Program Directors were asked to forward the e-mail to all of the current residents in their respective program to complete a similar version of the survey.