anencephaly

During 1998-2003, the incidence of total NTDs slightly dropped, annual prevalence rate of anencephaly presented a declining trend.

1998年一2003年间，总的NTDs发生略有下降，其中无脑畸形有逐年下降趋势。

The absence of the fetal cranial vault anencephaly is shown here.

无脑儿显示胎儿颅穹窿缺陷.

Folic acid, a type of vitamin B, has been shown to reduce neural tube birth defects, such as spina bifida or anencephaly.

叶酸是一种维生素B，它可以明确降低神经管疾病的发生，如脊柱裂和无脑畸形等。

The colon's structure was insufficient development in anencephaly fetus.

无脑儿结肠组织结构发育不全。

The absence of the fetal cranial vault in anencephaly is shown here.

无脑儿显示胎儿颅穹窿缺陷。

Anencephaly is absence of the fetal cranial vault.

无脑儿是胎儿颅穹窿缺陷.