Symptom Information: Sort according to HPO 

1
(HPO:0000252) Microcephaly 832 / 7739
2
(HPO:0001250) Seizures 1245 / 7739
3
(HPO:0001263) Global developmental delay 853 / 7739
4
(HPO:0001511) Intrauterine growth retardation 358 / 7739
5
(HPO:0001989) Fetal akinesia sequence 14 / 7739
6
(HPO:0002126) Polymicrogyria 64 / 7739
7
(HPO:0002510) Spastic tetraplegia 54 / 7739
8
(HPO:0002804) Arthrogryposis multiplex congenita 93 / 7739
9
(OMIM) Malformations of cortical development 3 / 7739
10
(HPO:0002753) Thin bony cortex 16 / 7739
11
(OMIM) Thin corpus callosum Gyral simplification 1 / 7739
12
(OMIM) Delayed cerebellar development (in some patients) 1 / 7739
13
(OMIM) Delayed brainstem development (in some patients) 1 / 7739
14
(HPO:0000006) Autosomal dominant inheritance 2518 / 7739
15
(HPO:0001344) Absent speech 57 / 7739
16
(HPO:0002079) Hypoplasia of the corpus callosum 161 / 7739
17
(HPO:0002539) Cortical dysplasia 19 / 7739
18
(HPO:0003577) Congenital onset 133 / 7739