measuring foetal HR before surgery and neonatal HR after surgery between the P and N groups. In addition, the study protocol described that neonatal follow-up was continued until 24 h after birth. There was no immediate resuscitation or admission to the neonatal intensive care unit, but we speculate if there were any other differences between the two groups, such as neonatal HR and peripheral oxygen saturation, within 24 h after birth.Reply to: phenylephrine versus noradrenaline for caesarean delivery under spinal anaesthesia Drugs potency, neonatal and maternal heart rate, and the level of block height