Neural tube defects; Case control study; Risk factors.

神经管畸形；病例对照研究；危险因素。

Results The incidence of neural tube defect was increased.

神经管畸形发生率增加，唇腭裂、肢体畸形减少。

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。

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。

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。

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。

The neural tube then might induce the formation of still other embryonic structures.

神经管可能诱导其他胚胎结构的形成。

In normal development, the neural tube from which the spine develops separates from the skin.

在正常的发育过程中，脊柱神经管会与皮肤分离。

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。

Adequate folic acid in healthful diets may reduce a woman's risk of having a child with a neural tube defect.

在健康饮食中足够的叶酸能够减少一个妇女怀上患有神经管缺陷胎儿的风险。

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。

But in the 24th week of her pregnancy, an ultrasound confirmed that her baby had died of a neural tube defect.

但是他们的第一个孩子在怀孕的24周流产了。死因是神经缺陷。

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。

In addition, the apoptotic cells were metamerically distributed at the ventral somites of neural tube in the median sections.

神经管腹侧面体节处间充质细胞呈现细胞凋亡节段性分布。

Objective: to explore the protective effect of oyster extract on apoptotic cells in neural tube defect (NTD) induced by hyperthermia.

目的：探讨牡蛎提取物对高温致神经管畸形中凋亡细胞的保护作用。

It was clinically testified that supplement of folacin for neural tube defect prevention is efficient for women of childbearing ages.

大多数育龄妇女增补叶酸被临床证明是预防胎儿神经管缺陷行之有效的方法。

In the outer layer (ectoderm) the neural tube is forming from which the baby's nervous system-brain spinal cord skin and hair-will develop.

在外胚层，神经管正在形成，在此基础上，婴儿的神经系统——大脑、脊髓、皮肤和毛发——将会形成。

Maternal serum alpha-fetoprotein is elevated in 20-25% of all cases of Down syndrome, and it is elevated in fetal neural tube deficits.

唐氏综合征患者的血清甲胎蛋白升高20 - 25%，胎儿有神经管畸形时甲胎蛋白值也升高。

Anencephaly is a form of neural tube defect that is typically an isolated birth defect that is not related to chromosomal abnormalities.

无脑儿是神经管缺陷的一种类型，是单纯性先天性缺陷，与染色体异常无关。

In the outer layer (ectoderm) the neural tube is forming, from which the baby's nervous system-brain, spinal cord, skin and hair-will develop.

在外胚层，神经管正在形成，在此基础上，婴儿的神经系统——大脑、脊髓、皮肤和毛发——将会形成。

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。

The time effect relationship between positional transfered novel gene (HCY 2) and neural tube teratogenesis, and their possible mechanisms were studied.

本文旨在研究定位转新基因(HCY - 2)与神经管畸形发生的时间-效应关系及可能的作用机理。

Conclusion: Present findings demonstrate that embryonic neural stem cells dissociated from neural tube can survive and differentiate into dopamine neurons.

结论：胚胎神经上皮细胞多数为神经干细胞，黑质内移植后可以存活并分化为多巴胺能神经元。

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。