As for the insurance companies charging more (or denying coverage)... their expenses for a woman with a previous cesarean are higher than for a woman with previous vaginal birth — and it's not just if she births again. (crunchydomesticgoddess.com)
Having had one or more previous vaginal births, particularly previous VBACs, is the single best predictor or successful VBAC and is associated with a planned VBAC success rate of 85 - 90 %. (believemidwiferyservices.com)
Majority of the women in the MANA study were low risk and have had a previous vaginal birth (and no cesarean history). (babymed.com)