Main outcome measures
Primary outcome was mode of birth per year: intended vaginal birth
versus planned caesarean section. Secondary outcomes were failed versus
successful vaginal birth in case of intended vaginal birth after
caesarean (VBAC), and adverse perinatal outcome (perinatal mortality up
to 28 days, low Apgar score at 5 minutes, asphyxia, and neonatal
intensive care unit admission >24 hours).