Objective to study the relationship between HIE and correlative obstetrical factors.
目的探讨新生儿缺氧缺血性脑病(HIE)与产科因素的关系。
Objective to analyze obstetrical factors of neonatal asphyxia so as to reduce the incidence.
目的分析新生儿窒息的产科原因，有效地降低新生儿窒息的发生率。
Objective to investigate the incidence of postpartum depression and the related obstetrical factors.
目的调查产后抑郁症的发病情况；探讨与产后抑郁症相关的产科因素。
Objective to investigate the related demographic and obstetrical factors of postpartum depressive symptoms.
目的探讨与产后抑郁症相关的人口学因素及产科因素。
Objective Previous studies suggested that a number of obstetrical factors were associated with small-for-gestational-age (SGA) infant.
目的探讨产科因素及孕母文化程度与小于胎龄儿（SGA）之间的关系。
Objective: to study the obstetrical factors of neonatal asphyxia and to perform positively clinical control and to reduce mortality rate and case-fatality rate of neonates.
目的：探讨新生儿窒息的产科高危因素，进行临床防治，降低新生儿死亡率及致残率。
Conclusion: the incidence of postpartum depression is high. The main obstetrical factors include the time of pregnancy and abortion, the history of bad procreation way, whether normal delivery or not.
结论：产褥期抑郁症发生率较高，怀孕次数、流产及引产次数、不良生育史、是否正常产是产褥期抑郁症主要的产科危险因素。
产科危险因素；
Objective: to determine obstetrical risk factors and pregnancy outcome of fetuses with true knot of the umbilical cord.
目的：探讨脐带真结的危险因素及其妊娠结局。
Objective: to determine obstetrical risk factors and pregnancy outcome of fetuses with true knot of the umbilical cord.
目的：探讨脐带真结的危险因素及其妊娠结局。
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