prolonged labor

Prolonged labor , postpartum hemorrhage and infection may be eliminated .

并且杜绝了滞产，产后出血及产后感染。

Results : Of the 11 cases , 7 of the cesarean section indications were prolonged labor ( 63 % ) .

结果：11例中以产程停滞或延长作为剖宫产指征7例（63%）。

Bleeding of cesarean section is usually due to uterus atone , placental factors , prolonged labor and lacerated section .

剖宫产出血的主要原因是宫缩乏力、胎盘因素、产程延长及切口撕裂等。

And compared with natural process of labor , in presence of prolonged labor and prolonged second stage of labor , the incidence rate of neonatal asphyxia rate increased significantly ( P0.01 ) .

滞产、第二产程延长者新生儿窒息率经统计学处理明显高于正常产程与第二产程正常的新生儿窒息率（P0.01）。

Adherent placenta , prolonged stage of labor placenta previa , injuries of the soft birth canal , forceps , cesarean section and previous cesarean section .

胎盘粘连，软产道裂伤，手术肋产（产钳），剖宫产，既往剖宫产史等病因相关。

Mainly manifested as weak contraction of uterus and prolonged process of labor , it it liable to cause fetal distress , leading to cesarean section , postpartum hemorrhage , and puerperous complications .

主要临床表现为子宫收缩力弱，产程延长，对母婴均有不良影响，易导致发生胎儿宫内窘迫，手术产率增高，易引起产后出血，产褥期并发症亦增多。

Objective To study risk factors for a prolonged second stage of labor and to evaluate the maternal and neonatal outcomes of such pregnancies .

目的研究第二产程延长的危险因素，评价第二产程延长产妇的母儿预后情况。

As the diseases of prolonged pregnancy , difficult labor and high risk pregnancy were still the main factors affected security of mother and baby at the present , promoting labor has become very important to guarantee the smooth conduction of delivery and improve the puerperal security .

鉴于过期妊娠、难产、高危妊娠等病症仍是目前严重威胁母婴安全的重要因素，积极采取促分娩措施以保证分娩顺利进行和母婴安全显得十分重要。