摘要：DEAR EDITOR, One of the common disorders during pregnancy is sleep ? disordered breathing (SDB). SDB includes snoring, upper airway resistance syndrome, and obstructive sleep apnea (OSA) ? hypopnea syndrome. Snoring is considered as a risk factor for adverse pregnancy outcomes, including fetal heart rate abnormalities, fetal demise, fetal growth restriction, gestational diabetes, and preeclampsia. Eighty ? two pregnant women with gestational age more than 28 weeks were enrolled.
