I am nearly 39 and expecting dcda twins and had a harmony test done last week at 11+4. I've had the result come back as redraw needed as one fetal fraction came out at 3.6 instead of the required 4.
Is this anything to worry about? My bmi is 31 so I suppose that hasn't helped, I'm having a redraw on Monday but in the meantime had my nhs scan (and decided to have the screening with them too anyway, understanding that a low risk result from the harmony test will essentially trump this) The nt measurement for both twins was 1.4 so no concern there which has put my mind at rest a little bit but still feeling unsure as I presume I might not end up with a result from the harmony test at all.
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Antenatal tests
Harmony test - low fetal fraction
1 reply
JessicaPeach · 24/07/2020 17:14
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