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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Does Fetal Renal Pelvis Measure About 5.7mm And 5.2mm Indicate?

gone for an usg anc scan at 23weeks 3 days pregnancy (second trimester) and the findings are- mildly prominent & partially extrarenal fetal renal pelve measure about 5.7mm and 5.2mm on right and left sisdes respectively. please answer me dr as i m very worried about my unborn baby.
Tue, 27 May 2014
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Radiologist,  's  Response
Hi,
Thanks for writing in.

The findings mentioned suggest mild prominence of the collecting systems in both kidneys of the baby. The upper limit is usually 5 mm but there can be small errors in measurements. Please do not worry as there are no other findings which are abnormal. It is best to follow up with another scan after 28 weeks and then subsequently. Sometimes even the kidneys appear slightly bulged even in normal conditions like extrarenal pelvis.
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What Does Fetal Renal Pelvis Measure About 5.7mm And 5.2mm Indicate?

Hi, Thanks for writing in. The findings mentioned suggest mild prominence of the collecting systems in both kidneys of the baby. The upper limit is usually 5 mm but there can be small errors in measurements. Please do not worry as there are no other findings which are abnormal. It is best to follow up with another scan after 28 weeks and then subsequently. Sometimes even the kidneys appear slightly bulged even in normal conditions like extrarenal pelvis.