1·Preterm labor is the important factors leading perinatal morbidity and mortality.
结论：早产与多种因素有关，早产是新生儿发病和死亡的重要原因；
2·Danger signs. Preterm labor, rupture of membranes, bleeding, edema, signs of preeclampsia.
早产，胎膜早破，流血，水肿，出现先兆子痫的症状。
3·Objective To understand the causes of controlled preterm labor, and study its pregnant prognosis.
目的了解干预性早产的发生因素及对妊娠结局的影响。
4·Methods to analysis the relevant factors of the 122 cases of preterm labor in 2007 of our hospital.
方法对我院2007年引起早产122例的相关因素进行分析。
5·This is not preterm labor, unless you have this cramping sensation or contractions for more than one hour.
这并不是早产迹象，除非有抽筋感或持续一小时以上的收缩感。
6·Objective To study the treatment effect of NAC on the animal model of infection associated preterm labor.
目的探讨n -乙酰半胱氨酸(NAC)对感染性早产动物模型的治疗作用及作用机制。
7·Objective to analysis the relevant factors of preterm labor, discuss the prevention and treatment measures.
目的分析早产发生的相关因素，讨论其预防和治疗措施。
8·Objective To analyse the affecting factor of iatrogenic preterm labor and the prognosis of premature infants.
目的分析医源性早产的影响因素及新生儿预后。
9·To study the relationship between the preterm labor and the cellular proliferation and apoptosis in placentas.
目的研究胎盘绒毛细胞增殖和细胞凋亡与早产的关系。
10·The study found an increased risk of brain damage and cognitive deficits in babies whose mothers were treated with terbutaline during preterm labor.
研究发现如果婴儿的母亲在预防早产期间曾经使用过特布他林，那么就会增加婴儿的大脑受损和认知障碍的风险。