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根据美国妇产科学会低位产钳术的新标准，对我院１９９４年８月－１９９６年７月，２年中１６６例低位产钳分为ＯＡ位与ＯＰ位分析两组低位产钳术对母婴的影响。结果，产钳指征以Ⅱ产程延长居第１位５６％，其次为胎儿宫内窘迫为４０．９％，新生儿并发症以面部擦伤、面神经损伤、窒息、锁骨骨折多见，两组比较，ＯＰ位组明显高于ＯＡ位组Ｐ＜０．００１。母体并发症以阴道壁裂伤、宫颈裂伤、会阴撕裂为主，两组比较差异无显著性Ｐ＞０．０５。１０２例ＯＰ位徒手转胎位至ＯＡ位７３例，未转胎位２９例，新生儿窒息ＯＡ与ＯＰ两组比较差异有显著性Ｐ＜０．００１。我们认为，低位产钳术虽是一个较安全有效的助产手段，但不能忽视ＯＰ位低位产钳术对新生儿所致的产伤。对ＯＰ位应尽可能将胎方位转至ＯＡ位后作产钳术以减少母婴的并发症
According to the American Academy of Obstetrics and Gynecology low-level forceps of the new standard of our hospital from August 1994 to July 1996, 2 years in 166 cases of low-level forceps were divided into OA and OP OP-level analysis of two groups of low-force forceps for mother and baby influences. Results, Obstetrics and Gynecology indications of Ⅱ labor to extend the first 56%, followed by fetal distress of 40.9%, complications of neonatal facial scars, facial nerve injury, asphyxia, clavicular fracture more common in both groups , OP group was significantly higher than the OA group P <0.001. Maternal complications were vaginal wall laceration, laceration of the cervix and perineal tear, with no significant difference between the two groups (P> 0.05) .There was no significant difference in the two groups , Neonatal asphyxia OA and OP two groups the difference was significant P <0.001. In our opinion, low forceps reduction is a safe and effective method of midwifery, but we can not ignore the neonatal birth injury caused by OP low forceps forceps. The OP position should be as far as possible to the fetus position to the OA position for forceps to reduce maternal and child complications