NewsBeat
Jesy Nelson admits co-parenting twins with ex Zion Foster is ‘tough’ after SMA diagnosis
Now eight months old, the twins have been diagnosed with spinal muscular atrophy (SMA), a rare genetic condition that affects muscle strength and movement and means they may never walk. The most severe form, SMA Type 1, typically presents in infancy and, according to the NHS, can cause profound muscle weakness, swallowing difficulties and serious breathing problems.