Rates of occurrence in neonatal asphyxia ,low weight of delivered babies, caesarean birth, postpartum hemorrhage and DIC as well as the mortality of perinatal infants were 52.7%, 54.5%,40.0%,45.5%, 23.6% and 16.4% respectively.

• 新生儿窒息、低出生体重儿、围产儿死亡、剖宫产、产后出血和弥漫性血管内凝血 (DIC)分别占5 2 .；7%25、5 4