[Primary-purpose peridural analgesia in labor induction].

21 parturients, showing in most of cases either high blood pressure badly controlled or a "real" out of date term, have undergone a peridural analgesia of first intention in labour induction. All these patients were considered to be uninducable according to Bishop score. After an injection of adrenalinized bupivacaïne, either 0.25% or 0.375% rupture depending on state of cervix of membranes occurred in most cases 6 hours after peridural analgesia. The mean between onset of analgesia and delivery was 17 h and the mean time between induction with ocytocin to birth 5 h 37 min. 16 parturients gave birth per vaginam, 9 of which spontaneously 5 have undergone caesarian section because of a non lack of dilatation or foetal distress. Children at birth, at the 2nd and the 24th hour were all healthy.