This is more of a rant than anything, but having gone through a very traumatic and laborious diagnostic process throughout my current pregnancy, I have felt very triggered hearing people (friends and even professionals) talk lightheartedly about NIPT and stating things like “this diagnoses all your baby’s potential health complications from just 2 months pregnant and is 99% accurate” etc etc.
I wanted to point out it is NOT a diagnostic test, and in some instances, it’s predictive value for conditions is less than even 50%.
It scares me as even a CVS I had at 14 weeks was problematic as placenta was not the same as amniocentesis results. NIPT only aims to analyse cell free DNA from what I can tell which they cannot necessarily even guarantee is from the placenta, so the test is even more flawed.
I’m even more concerned that we have people at 2 months pregnant taking the test, but the earliest amniocentesis can occur is 15 weeks onwards depending on availability etc. Hence even if people have these tests, they’d often be waiting at least a month in limbo for follow up - or could just abort without doing so and terminate healthy pregnancies due to inaccurate/misleading information.
Finally, I’m even more worried that many of these tests are done privately and are heavily promoted with misleading statistics to gain popularity it seems. Claiming for instance to be 99% accurate when less than 1% of a population would have a condition means ANY such test could claim high accuracy across a general population - but limited diagnostic value.
To clarify none of this rant is a criticism of individuals choosing to take these tests or the decisions an individual would make - so much as I am concerned about the ethical responsibility we have to individuals in terms of understanding the profound limitations of these tests.
Rant over! Just wondering if anyone else shares my concerns or if I am just being sensitive and hormonal due to my own experience (probably a bit of both!)
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Antenatal tests
Worried about NIPT promotion
92 replies
SarahD19 · 09/02/2020 23:35
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