Preventing fever in women with labour epidurals using a neck warmer

INTERVENTION: Intervention group: Neck warmer worn during labour Control group: No intervention CONDITION: Fever in women with epidural analgesia during labour ; Pregnancy and Childbirth PRIMARY OUTCOME: Maternal temperature rise during labour SECONDARY OUTCOME: 1. Neonatal temperature at 15 minutes post delivery ; 2. Change in baseline foetal heart rate on cardiotocography (CTG) from the time that the epidural was sited until delivery ; 3. Apgar scores at 1 and 5 minutes ; 4. Percentage of neonates admitted to the Neonatal Intensive Care Unit ; 5. Number of hours of maternal shivering during labour ; 6. Percentage of women given paracetamol for fever in labour ; 7. Mode of delivery ; 8. Rise in inflammatory markers (IL‐6 and C‐reactive protein [CRP]) INCLUSION CRITERIA: 1. Women (no age limit) with epidurals for analgesia in labour 2. Nulliparous women (more likely to have labours >6 hours) 3. Cervical dilatation no more than 4 cm (more likely to have labours >6 hours) 4. First labour (more likely to have labours >6 hours) 5. Gestation >36 weeks (more likely to have labours > 6 hours)