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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Is Obstetric Anomaly?

Hi my name is Sujata ans my question is ,,,,,,today i had my 2nd scan and they find out Obstetric Anomaly.The nuchal fatpad measured 6.6 mm. Otherwisw no obvious fetal abnormality seen.(this is withen the limitations of routine ultrasound screening.Detection rates vary by woman s BMI and position of unborn baby at the time of the scan). eferred to QCH for thickende nuchal fatpad,6.6 mm,,,,,,,,,,,,what is this mean?
Tue, 27 Oct 2015
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OBGYN,  's  Response
Hi Sujata,

Increased nuchal Fat pad at 20 weeks scan can suggest a increased risk of Down's syndrome or other fetal syndrome. The normal limit is taken as 6mm. you are just marginally increased.
It means just an increased risk, not that the baby definitively has it.
I would like to know if the 1 trimester nuchal thickness and dual marker were done for you or not? Were they normal?
And was any other fetal problem identified on this scan.
You will need to decide if you want further investigation for this or not.
Usually fetal medicine experts do Amniocentesis (That is testing of fluid around the fetus for genetic defect) under ultrasound guidance ,which can say for sure if the baby has problems or not.

Hope this helps.
Regards.
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What Is Obstetric Anomaly?

Hi Sujata, Increased nuchal Fat pad at 20 weeks scan can suggest a increased risk of Down s syndrome or other fetal syndrome. The normal limit is taken as 6mm. you are just marginally increased. It means just an increased risk, not that the baby definitively has it. I would like to know if the 1 trimester nuchal thickness and dual marker were done for you or not? Were they normal? And was any other fetal problem identified on this scan. You will need to decide if you want further investigation for this or not. Usually fetal medicine experts do Amniocentesis (That is testing of fluid around the fetus for genetic defect) under ultrasound guidance ,which can say for sure if the baby has problems or not. Hope this helps. Regards.