Supplemental Oxygen Study: A Randomized Controlled Study on the Effect of Maternal Oxygen Supplementation during Planned Cesarean Delivery on Umbilical Cord Gases.

Objective:  The aim was to determine the fetal umbilical blood gas effects of supplemental maternal oxygenation compared with room air (RA) during term planned cesarean delivery.

Methods:  This is a prospective randomized controlled study of singleton planned cesarean deliveries randomized to receive supplemental oxygen (O) at 10 L per minute (L/min) via facemask or RA. Umbilical cord gases were collected.