早产是围生儿发病、死亡和远期致残的主要原因,75%的围生儿死亡与早产引起的围生期窒息和颅内出血有关,因此,我们有必要着重探讨发生早产的因素和对母婴的影响。1临床资料1.1一般资料:我院2003年共分娩2236例,其中早产196例,发生率为8.8%。足月新生儿死亡3例,早产儿死亡18例。1 Preterm birth is the main cause of perinatal morbidity, death and long-term disability. Seventy per cent of perinatal death is associated with perinatal asphyxia and intracranial hemorrhage caused by preterm birth. Therefore, it is necessary for us to focus on the factors of premature birth and The impact of maternal and child. 1 Clinical data 1.1 General Information: A total of 2236 cases of childbirth in our hospital in 2003, of which 196 cases of preterm birth, the incidence was 8.8%. Three newborns died in term infants and 18 died of premature infants. 1