对1995年1月～1996年12月本院产科148例过期妊娠和同期内148例足月妊娠进行了对比分析，结果表明：过期妊娠胎儿宫内窘迫率、新生儿窒息率、产时及产后死亡率、胎儿过熟综合征发生率及难产发生率均较足月妊娠高。说明过期妊娠对母婴均有不良影响，因而提出有重视此症的必要。 A total of 148 obstetric and obstetric pregnancies in 148 obstetric patients in our hospital from January 1995 to December 1996 were analyzed retrospectively. The results showed that the rates of fetal distress, neonatal asphyxia, obstetric and postnatal period Mortality, the incidence of fetal overmature syndrome and the incidence of dystocia than full-term pregnancy. That overdue pregnancy on both mother and child have a negative impact, and therefore put forward the importance of attention to this disease.