Effect of Oral Carbohydrate Intake > 44kCal Per Hour During Labour on the Rate of Instrumental Vaginal Delivery

During labor the women will have free access to water and 20 ml commercial fruit juice bricks containing between 430 or 660 kcal/l. Every 2 hours the midwife or the nurse will measure the fruit juice oral intake volume and will advise women to drink the planned volume (1 brick/2hours)

Women will have free access to water only