The incidences of meconium passage,newborn asphyxia and admissions to neonatal intensive care unit in severe ICP were significantly higher than that in mild ICP. They were 38.4% vs 9.1%,13.4% vs 4.4%,and 15.1% vs 9.6% respective- ly.

• 重度组ICP患者羊水粪染、新生儿窒息和新生儿转入重症监护室的发生率分别为38.；4%25(66/172)、13