Though percentage of normal vaginal delivery was higher in Partogram group ( 71.5 % ) than no Partogram group ( 68 % ) , no statistically significant difference was found between two groups regarding mean duration of active phase of first and second stage of labour , rate of operative vaginal deliveries ( partogram 12 % and no partogram 12.5 % ) and of caesarean section ( Partogram 16.5 % , no Partogram 18.5 % ) and perinatal outcome .