although there were no differences in cortisol and dehydroepiandrosterone sulfate levels between infants delivered by cesarean section after spontaneous onset of labor ( group b-i , n = 42 ) and those without labor ( group b-ii , n = 38 ) , the mean cortisol and dehydroepiandrosterone sulfate concentrations were higher in group a than in group b-i .
C0474461
spontaneous onset of labor
C0022864
labor