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。

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But he had spina bifida; this time, she could not go straight back to work.

但是汤姆患了脊柱裂，所以她又不能出去工作了。

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The child had spina bifida and had already endured a dozen operations in her short life.

孩子患有先天性脊柱裂，在她短暂的生命中已承受了十多次手术。

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"You would never know to look at him that he has spina bifida, " his mother said.

CNN: Study: Major benefits for spina bifida surgery in the womb

Almost 90% of babies born with this type of spina bifida have hydrocephalus, excess brain fluid.

CNN: Study: Major benefits for spina bifida surgery in the womb

According to the study, about one in 3, 000 babies are born with this type of spina bifida.

CNN: Study: Major benefits for spina bifida surgery in the womb