443
Participants
Start Date
September 30, 2014
Primary Completion Date
May 31, 2015
Study Completion Date
May 31, 2015
Low flow nasal oxygen
Oxygen will be administered by nasal catheter at a flow rate of 2 L/min. The therapy will continue until after delivery
Low flow room air
Sham: oxygen will be administered by nasal catheter at a flow rate of 0 L/min.
Department of Obstetrics and Gynecology, Navy General Hospital., Beijing
Navy General Hospital, Beijing
Department of Obstetrics and Gynecology, Navy General Hospital., Beijing
Navy General Hospital, Beijing
OTHER