Three thousand seven hundred and ninety eight syndromic NTDs were identified, among which anencephaly, spina bifida and encephalocele were 997, 2 394 and 407 respectively.

• 3 798例综合征性NTDs中 ,无脑、脊柱裂和脑膨出分别为 997例、2 3 94例和 40 7例。