Participants
Our study population consisted of women with one previous caesarean section and a parity of one (so no vaginal birth in addition to the caesarean section), pregnant of a singleton in cephalic presentation with a gestation of at least 37 weeks (i.e., Robson group 5 with a parity of one), who gave birth between January 1st, 2000, and December 31st, 2019.