The prognosis is poor due to severe respiratory insufficiency.
[ncbi.nlm.nih.gov]
The patient manifested fetal akinesia, neonatal severe hypotonia with muscle weakness, respiratory insufficiency, swallowing disturbance, and ophthalomoplegia.
[ncbi.nlm.nih.gov]
There is a wide spectrum of severity and classically patients have been divided into 6 groups; “Severe” with neonatal respiratory insufficiency, contractures or absent movement
[childrenshospital.org]