Results The 59 cases including 12 types of brain malformations: only 35 cases were with simple brain malformation, 24 complicated with other abnormalities and 25 with polyhydramnios.

• 结果59例颅脑畸形包含12种类型,单纯颅脑畸形35例,24例合并其他畸形,25例羊水过多。