Effect of CPAP on Fetal pH at Scheduled C-section in Morbidly Obese Women

Inclusion Criteria: * Pregnant women between the ages of 18-45 * Body mass index of 40 kg/m2 or greater at the time patient is scheduled for cesarean delivery * Singleton gestation * Scheduled for primary or repeat cesarean delivery at Sentara Norfolk General Hospital * Gestational age between 37+0 and 41+0 weeks at the time of delivery * Non-stress test on admission with moderate variability, without repetitive late or variable decelerations * Negative SARS-CoV-2 PCR test within 72 hours of procedure Exclusion Criteria: * Fetal growth restriction * Active pulmonary diseases to include pneumonia, sarcoidosis, pulmonary hypertension, moderate or severe persistent asthma * Suspected placenta accreta based on prenatal sonographic evaluation * Active maternal infection to include pyelonephritis, appendicitis, upper respiratory tract infection, urinary tract infection or suspected intra-amniotic infection * SARS-CoV-2 positive test within past 10 days or ongoing symptoms of SARS-CoV-2 to include cough, fever or shortness of breath with positive test greater than 10 days prior, or history of hospitalization for SARS-CoV-2 infection * Fetus with aneuploidy or major anomaly * Enrolled in another trial that may affect outcome