Inclusion Criteria:  Gestational age (37-39wks). Singleton pregnancy. Didn't receive any steroid treatment during pregnancy.  Exclusion Criteria:  Undetermined gestational age Maternal chronic diseases (e.g: hypertension, DM-2) to avoid any side effects of steroid use and to keep the pregnant 's case from getting worse. Congenital fetal malformations Emergency CS Pregnant refusing to participate in the study or unable to consent