The singer described the continuous medical demands that followed the initial clinical findings.
"I get bombarded with hospital appointments, my whole life has changed," said Nelson.
Nelson utilized her public platform to advocate for earlier medical interventions across the United Kingdom.
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"I'm really not sure where to start with this one.
All I can say is that I urge everyone to watch this documentary," wrote Nelson in a promotional caption.
The documentary aims to increase public awareness regarding the challenges faced by families dealing with genetic disorders.
"It's the most heartbreaking series I've ever had to make, but it's one that needed to be made if we're ever going to see real change.
This is only a small glimpse into what my girls have to go through every single day," stated Nelson.
She emphasized that the current situation represents the ongoing experience for numerous infants across the country.
"It's the reality that so many children born with SMA have to endure and this is only the beginning of their lives.
I truly hope this helps people understand why the heel prick test and treatment from birth are so incredibly vital," added Nelson.
The artist stressed that immediate medical identification could significantly alter patient outcomes.
"Early diagnosis can change EVERYTHING.
I'll keep saying it until no family has to experience this again: no future babies born with SMA should have lives that look like this," wrote Nelson.
She concluded her statement with a direct call for public viewership of the upcoming broadcast.
"Please if you watch one thing, let it be this: 'Jesy Nelson: Life Changing' on Prime Video UK.
Streaming from July 17th," stated Nelson.
The health campaign previously reached the legislative level when Nelson attended Westminster last month as members of Parliament debated universal newborn screening for the condition.
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Her legislative petition gathered more than 150,000 signatures following her separation from the children's father, Zion Foster, last year.