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研究背景:早产儿胎粪羊水污染(MSAF)的发病率还不确定。而MSAF可能提示早产儿患有李斯特菌病。但尚不清楚李斯特菌病引起早产儿MSAF的严重程度如何,也不清楚SAF是否可作为诊断李斯特菌病不良
Background: The incidence of meconium-stained amniotic fluid (MSAF) in preterm infants is uncertain. The MSAF may prompt premature children suffering from listeriosis. However, it is unclear what the severity of MSAF in preterm infants is due to listeriosis, and it is unclear whether SAF can be used as a diagnostic test for listeriosis