disorder of development or morphogenesis congenital high airway obstruction syndrome https://github.com/monarch-initiative/mondo/issues/9084 GARD:0027441 CHAOS MONDO:1060125 UMLS:C3665871 Orphanet:700286 A rare, life-threatening fetal condition resulting complete or partial obstruction of the fetal upper airways. Laryngeal atresia is the most frequent cause, but other etiologies, such as laryngeal cyst, subglottic stenosis or atresia, tracheal atresia, and laryngeal or tracheal agenesis are also included. MEDGEN:1875656