Neural tube defects; Case control study; Risk factors.
神经管畸形；病例对照研究；危险因素。
The chorionic villi cannot be used to test for open neural tube defects.
但绒毛膜绒毛不能够被用于检测开放性神经管缺损。
In 100,000 births, a screening program would avent 187 neural tube defects.
在100,000婴儿中，一项筛检可避免187个神经管缺陷。
Folic acid helps reduce the risk for neural tube defects in the developing fetus.
叶酸有助于减少胎儿发育过程中出现神经系统的畸形缺陷的风险。
Malnourished infants face complications during birth, including neural tube defects.
营养不良的婴儿出生时面临着包括神经管缺损的并发症。
The highest of neural tube defects is spina bifid a then is anencephaly encephalocele and so on.
发生率最高的神经管畸形是脊柱裂，其他依次为无脑畸形、脑膨出、小头畸形。
We already know that folic acid reduces the risk of neural tube defects, including spina bifida.
我们已经知道叶酸降低风险的神经管缺陷，包括脊柱裂。
To understand the basic distribution of neural tube defects and analyze the environment risk factors.
了解神经管缺陷的基本分布情况，分析其环境及行为危险因素。
Neural tube defects had a high incidence, seriously influenced the birth - population diathesis and disabled.
其中神经管缺陷发病率最高，是严重影响出生人口素质，导致先天性残疾的主要病因之一。
Objective To study the variation trend in incidence of neural tube defects (NTDs) during 1988 to 1992 in China.
目的了解1988～1992年我国神经管缺陷（NTD）发生率的变化趋势。
Eating grains fortified with folate before and during pregnancy helps prevent neural tube defects during fetal development.
在孕前和孕期食用添加叶酸的强化谷物，防止胎儿发育过程中的神经管缺陷。
Retinoic acid was administrated to prepare models of neural tube defects, while corn oil was equally administeredrated in the normal control group.
维甲酸作用于准备神经管缺陷的模型，并且玉米油也同样作用于正常对照组。
Folic acid in eggs can help to reduce the incidence of neural tube defects in pregnancy; a common occurrence for many disadvantaged women in low-income countries.
禽蛋中的叶酸可以有助于减少妊娠期神经管缺陷的发生；这是低收入国家中许多贫困妇女普遍面临的一个问题。
In addition, the babies of obese mothers are more likely to be admitted to neonatal intensive care units. They also have a higher incidence of neural tube defects.
除此之外，肥胖孕妇的婴儿更可能需要送入新生儿加强监护病房，并且这些婴儿具有很高的神经管缺陷发病率。
Objective To explore relationship between methylenetetra hydrofolate reductase (MTHFR) polymorphism and neural tube defects (NTDs)of women in the northern countryside.
目的探讨北方乡村妇女亚甲基四氢叶酸还原酶（MTHFR）基因多态性与神经管畸形的关系。
There are two test options available between the 15th and 18th weeks to screen for chromosomal abnormalities and neural tube defects such as Down's syndrome and spina bifida.
在15周到18周之间有两个极好的检查可以选择来甄别染色体异常和神经管缺损症状，比如：唐氏综合症和脊柱裂。
Taking lower than optimal amount of supplements such as folic acid, vitamin B6, B12 is not enough to combat cardiovascular diseases, neural tube defects, colon and breast cancer.
低于优化量的叶酸，VB 6, VB12摄入量不足以防治心血管病，神经管缺损，结肠癌和乳腺癌。
Cleft palate , neural tube defects, excessive numbers of fingers or toes, congenital heart disease and water on the brain are the top five birth defects among Chinese babies, the report said.
报告中提到，唇腭裂、神经管缺损、多趾症、先天性心脏病和脑积水是困扰我国新生儿的五大出生缺陷。
Daily supplementation with folic acid for 1 month prior to conception and during pregnancy may reduce the incidence of neural tube defects such as spina bifida and anencephaly in the child.
在怀孕前一个月及怀孕过程中对叶酸的补充会减低胎儿患神经系统疾病的机率，例如脊柱裂和脑血管畸型。
The most common neural tube defects are spina bifida, in which the spin al cord fails to close completely during fetal development, and anencephaly, in which part or all of the brain doesn't develop.
最常见的神经管缺陷是脊柱裂，它是指胎儿期脊髓没有被完全封闭，和无脑畸形，它指部分或全部脑组织没有发育。
Folic acid helps prevent neural tube birth defects such as spina bifida.
叶酸能帮助防止诸如脊柱裂等神经管畸形出生缺陷的发生。
We assessed changes in the prevalence of neural-tube defects in Canada before and after food fortification with folic acid was implemented.
我们评估了在强化补充叶酸前后神经管缺陷发生率的变化。
The top five birth defects are cleft lip and palate, neural tube development defects, no brain child, congenital heart disease, umbilical hernia;
出生缺陷前五位的是唇腭裂、神经管发育畸形、无脑儿、先天性心脏病、脐疝；
The top five birth defects are cleft lip and palate, neural tube development defects, no brain child, congenital heart disease, umbilical hernia;
出生缺陷前五位的是唇腭裂、神经管发育畸形、无脑儿、先天性心脏病、脐疝；
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