We believe that it is of great value for increasing the detection rate of embryo anamorphosis and for eugenics to master well the ultrasongraphic diagnosis of the flaw in nerve tube of the embryo on the dorsal middel line of spine.

• 本文认为掌握好胎儿脊柱背侧中线的神经管畸形及前腹中线的裂腹畸形的超声诊断,对提高胎儿畸形检出率,对优生医学极有价值。