Please help - Inhibin A chemical unusually high in down syndrome blood test?

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Down syndrome quadruple test has come back with a high risk factor of 1 in 5.

But my consultant has said one of the chemicals tested for was unusually high, Inhibin A - and he has looked into other reasons why this might be but hasn't found any reason as of yet. But he's never seen that chemical as high before.

I'm now going In tomorrow for the DNA blood test (costs around £280 but they do it at the hospital and I then pay the lab) instead of the amniocentesis.

Anyone ever heard of Inhibin A being high for another reason? Or just have any advice?

I would never terminate the pregnancy but would want to know as much as I can prior to giving birth.

Also, I didnt have the combined test done as sonographer couldn't measure the nuchal measurement due to babys position so I had the quadruple test which is said to be less accurate than the combined.

But my consultant in general seems unsure about my results.

The new dna blood test which is private is said to be 99% accurate.

I am yet to do the 12 week screening, but I wish you the best of luck.

I understand how worried you must be, but even with 1 in 5 chance, there is still hope. I am 40, so my triple check is bound to come back high risk.

I have done the genetic screening yesterday, with the results coming back in 5-7 days. I am so nervous.

Hang in there and try to remain positive🌸💐