"I’m really not sure where to start with this one…All I can say is that I urge everyone to watch this documentary.
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," she wrote in the trailer caption.
Nelson stated that the documentary offers a glimpse into the daily challenges children born with SMA endure.
"This is only a small glimpse into what my girls have to go through every single day.
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It’s the reality that so many children born with SMA have to endure and this is only the beginning of their lives," she wrote.
The singer emphasized that early diagnostic measures are essential to alter health outcomes for newborn infants.
"I truly hope this helps people understand why the heel prick test and treatment from birth are so incredibly vital.
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," she wrote.
Nelson concluded her online message with a direct recommendation for viewers to watch the upcoming series on Amazon's platform.
"Please if you watch one thing, let it be this: 'Jesy Nelson: Life Changing' on @primevideouk, streaming from July 17th," she wrote.
Last month, Nelson attended a debate in Parliament alongside the Mirror newspaper to present a petition signed by more than 150,000 people demanding universal newborn screening for SMA.
Scotland introduced the screening process in March, but England is executing a limited rollout due to restricted testing facilities.
Nelson expressed open frustration after Public Health Minister Sharon Hodgson defended the staggered launch during the parliamentary sessions.
"I cannot believe we are still debating this. You are basically telling me that if you live in a certain postcode, you're not as important.
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It's outrageous," Nelson said.
