Anemia; Preterm birth; Pregnancy; Pregnancy outcome.
贫血；早产；妊娠，妊娠结局。
Preterm birth, birth asphyxia and infections cause most newborn deaths.
早产、出生窒息和感染是儿童死亡的主要原因。
Preterm birth is defined as a birth that takes place before 37 weeks gestation.
早产被定义为怀孕不到37周的生产。
Objective: To analyze some epidemiological characteristics of preterm birth.
目的：探讨早产分娩的部分流行病学特征。
Preterm birth is the leading cause of 75% perinatal morbidity and mortality.
据报导围生儿死亡与患病中的75%与早产有关。
We investigated the use of progesterone for prevention of preterm birth in twin pregnancy.
我们研究使用黄体激素来预防怀双胞胎女性早产的风险。
Evidence linking abortion and preterm birth continues to pile up, researchers and advocates say.
研究人员和支持者说，堕胎和早产关联的证据在不断增加。
Preterm birth, Caesarean section and intrapartum complications were associated with neonatal death.
早产、剖腹产和产时并发症与新生儿死亡相关。
But the preterm birth rate-defined as babies born before 37 weeks gestation-doesn't tell the whole story.
虽然早产率一般被定义为在妊娠期达到37周之前的分娩，但并不能断定那样就是安全的。
Objective to study the correlative factors of preterm birth and its effects on the pregnant and infant.
目的探讨早产的相关因素及对母儿的影响。
Both preterm birth and a low Apgar score may be markers of less-than-optimal fetal development, he explained.
他解释道，早产和较低的阿普加分数都有可能是孩子在胚胎时期的发育没有达到最理想状态的标志。
Preterm birth, birth asphyxia and infections cause most newborn deaths. Health risks to newborns are minimized by.
早产、出生窒息和感染是新生儿死亡的主要原因。
Preterm birth is a serious and costly health problem and the leading cause of death in the first month of life.
早产是一个严重而且费钱的健康问题，也是导致产后第一个月新生儿死亡的重要原因。
Objectives:Our purpose was to evaluate risk factor associations with indicated preterm birth and spontaneous preterm birth.
目的：分析与人工早产和自然早产有关的危险因素。
Objective: Our purpose was to evaluate risk factor associations with indicated preterm birth and spontaneous preterm birth.
目的分析与人工早产和自然早产有关的危险因素。
The raise of the hcy levels of the case group didn't elevate the risk of preterm birth if we got rid of the confound factors.
排除混杂因素影响，早产儿孕母血浆同型半胱氨酸水平升高没有明显增加早产发生的风险；
The raise of the hcy levels of the case group didn't elevate the risk of preterm birth, but increased the possibility of SGA infant.
早产儿孕母血浆同型半胱氨酸水平升高不会明显增加早产发生的风险，而会显著增加分娩小于胎龄儿的机会。
A meta-analysis of depression during pregnancy and the risk of preterm birth, low birth weight, and intrauterine growth restriction.
老年抑郁症的慢性疾病和风险：发表文献的荟萃分析。
Conclusion Caesarean section strictly controlled to prevent preterm birth and perinatal asphyxia is the key to reducing this disease.
结论严格控制剖腹产，预防早产及围产期窒息是降低本病的关键。
Metropolitan isolation segregation and black-white disparities in very preterm birth: a test of mediating pathways and variance explained.
《大都市的隔离与黑人、白人之间早产之差异：调和路径与差异解释之检验》，迈克尔·r·克拉默等，埃默里大学(Emory University)。
The drug is not intended for use in women with a multiple pregnancy, such as a twin pregnancy, or other risk factors for preterm birth.
这种药物不是为多胎妊娠（如双胞胎妊娠）或有其他早产风险因素的妇女设计的。
The highest rates of preterm birth were in Africa and North America (11.9% and 10.6% of all births, respectively), and the lowest were in Europe (6.2%).
早产率最高的地区是非洲和北美（分别占早产儿总数的11.9%和10.6%），而最低的是欧洲（6.2%）。
Are these so-called BV-associated bacteria sufficiently virulent to cause spontaneous preterm birth when present only in modest increased frequency?
这些所谓的BV相关细菌当阳性率轻度升高后是否足以导致自发性早产？
A number of studies have linked preterm birth to an increased risk of ADHD, although the reasons aren't clear, noted Obel, of Aarhus University in Denmark.
丹麦奥尔·胡斯大学的阿贝尔说，已经有许多研究将早产和多动症患病风险联系到一起，但是目前原因尚不明确。
Objective: A retrospective analysis of risk factors for preterm birth, to increase awareness and prevention to reduce incidence of preterm Tigong basis.
目的：回顾性分析早产发生的危险因素，为提高防治意识和降低早产发生率提拱依据。
Reduction of the iatrogenic preterm birth, combined with proper prevention of PPROM, is an important issue in decreasing the prevalence of preterm birth.
同时，减少医源性早产，积极预防PPROM早产的发生也是降低早产发生率的重要因素。
Objective to investigate the related risk factors and neonatal outcomes in early preterm birth by analysis of 198 cases of early-to-moderate preterm birth.
目的对198例早中期早产临床资料分析，探讨早期早产危险因素及早产儿结局。
Objective to investigate the related risk factors and neonatal outcomes in early preterm birth by analysis of 198 cases of early-to-moderate preterm birth.
目的对198例早中期早产临床资料分析，探讨早期早产危险因素及早产儿结局。
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