“…While maternal SDB in pregnancy is known to be associated with multiple maternal obstetric complications, such as hypertensive disorders, diabetes, and abnormal fetal growth [ 9 , 10 , 11 , 12 , 13 ], there is limited knowledge about possible associations between SDB in pregnancy and maternal depression. Depression is a common health complication in pregnancy and is associated with adverse maternal, fetal, and child health outcomes [ 5 , 14 ]. A recent meta-analysis identified the prevalence of major depressive disorder as 11.9% during the perinatal period [ 15 ].…”