Nifty / harmony blood test - anyone told the gender then found out it was wrong?

(6 Posts)
2boysnamedR Tue 18-Feb-14 13:20:00

I ask because gender is the only part of the test you can confirm via scan before birth.

Read on another forum that someone had a harmony test, found out the sex and was told boy. She then had a scan at 16 (ish) weeks and was told girl!

Two things that worry me are that she mentioned a clinic that did the test via a finger prick ( does not sound like a harmony test to me!) and 16 weeks is a bit early for gender unless your pretty good tech.

But if it was wrong then surely the trisomy tests are unreliable as well? I really don't think it was a proper non invasive test but its got me thinking.

So for those of you who had the tests - was it correct? I presume on here no one has given birth yet but maybe had the anomaly scans?

CrispyFB Tue 18-Feb-14 23:22:44

I'll let you know in a few weeks.. but pretty sure!

BUT - I can tell you this.

a) I was told 80% boy with DD2 at 16 weeks. 16 weeks is too early.

b) The finger prick test sounds like "Tell Me Pink or Blue" (or others of that ilk) which have dire reviews online and don't seem to be accurate at all. They're not done in professionally accredited labs I suspect.

Said business has now disappeared but I don't doubt others (or a "phoenix" version) has taken its place. Take a look at the reviews here: www.amazon.com/Pink-Blue-Pregnancy-Gender-Collection/product-reviews/B00183UEGS/ref=cm_cr_dp_see_all_btm?ie=UTF8&showViewpoints=1&sortBy=bySubmissionDateDescending - as you can see, this is a lancet-based test, so, finger prick of blood.

Harmony/MaterniT21/NIFTY etc all use professionally drawn blood from your arm like any other proper prenatal test.

Hedgehog80 Tue 18-Feb-14 23:28:13

I don't know about blood tests but at 15+5 weeks I was told ds4 was a boy from an us scan.

sarah2468 Fri 11-Apr-14 20:09:17

I had the Nifty test done and was told it was going to be a boy, then I just had my 20 week ultra sound scan and was told it was going to be a girl.
I am totally confused, and don't know which to believe. Kinda wishing that I hadn't asked. Is there anyone else who has had the same thing happen? I am glad all is well otherwise though, but can't help feeling a bit disappointed.

CrispyFB Sat 12-Apr-14 13:47:17

There's a few possibilities -

Firstly that the scan was wrong. It's quite possible to miss a penis. Did the sonographer see three lines or just the "absence of a penis" ? There's a big difference. Can you go for a second opinion anywhere? NIFTY should be more accurate than an ultrasound scan, for the record.

Secondly, did you have a loss not long before your current pregnancy? As it's possible NIFTY picked up DNA from that.

There are other possibilities but they're far less likely than the test being wrong, which is also extremely unlikely.

Emmalou85 Sat 03-May-14 09:25:07

I had a blood test at 11 weeks to sex my baby due to hireditry disorders I was told girl and they were right!

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