Nih consensus development conference statement on vaginal birth after cesarean new insights nih consensus and state of the science statements volume 27 number 3 march 8 10 2010 national institutes of health office of the director. National institutes of health consensus development conference statement vaginal birth after cesarean new insights march 8 10 2010 v aginal birth after cesarean vbac describes vagi nal delivery by a woman who has had a previous cesarean delivery for most of the twentieth century once a woman had undergone a cesarean delivery. National institutes of health consensus development conference statement vaginal birth after cesarean new insights march 8 10 2010 national institutes of health. National institutes of health consensus development conference statement vaginal birth after cesarean new insights march 8 10 2010 no authors listed republished from obstet gynecol 2010 jun11561279 95. National institutes of health consensus development conference statement vaginal birth after cesarean section new insights march 8 10 2010 september 2011 obstetric anesthesia digest 313140