congenital nervous system disorder holoprosencephaly-hypokinesia-congenital contractures syndrome https://github.com/monarch-initiative/mondo/issues/4069 https://www.malacards.org/card/microhydranencephaly_x_linked An extremely rare and fatal central nervous system malformation occurring during embryogenesis, presenting prenatally with holoprosencephaly and fetal hypokinesia as major features. Other manifestations include microcephaly, multiple contractures and intrauterine growth restriction. An X-linked recessive inheritance has been suggested. MEDGEN:336097 OMIM:306990 GARD:0003788 UMLS:C1844016 Morse-Rawnsley-Sargent syndrome SCTID:716169009 holoprosencephaly-fetal akinesia/hypokinesia sequence syndrome MONDO:0010610 holoprosencephaly with foetal akinesia/hypokinesia sequence MESH:C564409 Orphanet:2570 central nervous system malformation