Neonatal demise induced by premature rupture of membrane and twins was ascend with 11%, induced by gestation hypertension and breech and unclearreason was descend with different rate.

• 臀位、ICP及不明原因导致的新生儿窒息率每年分别以不同速度下降。 胎膜早破和双胎导致的新生儿死亡率以每年11%25的速度上升,妊娠期高血压、臀位、及不明原因每年分别以不同速度下降。