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。
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.
三维超声透明成像可立体地显示实质性脏器内部结构的空间位置关系,胎儿的脊柱、肋骨等结构可完整连续显示;
Transparent imaging could display the inner structures of most solid or hollow organs, fetal spine and ribs could be shown completely and continuously;
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。
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.
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