A 33-year-old male asked:
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my wife is in 36 th week and she went for scan and it shows fetal left kidney shows isolated renal pelvis dilation measures 8mm. right kidney appears normal. both ureters are not dilated- left pelviaactatsis features.do i need to worry?

2 doctor answers
Dr. John Berryman
54 years experience Obstetrics and Gynecology
Fetal kidney/dilated: This is probably not a serious finding, but your pediatrician will investigate any need for medical attention after delivery. Sometimes there are strictures in the upper ureter on the affected side, but this can be fixed post delivery in most cases.
Answered on Jan 6, 2018
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Dr. James Ferguson
46 years experience Pediatrics
Not particularly: The numbers are borderline and not unusual. Baby doesn't make much pee in the womb & it is not appropriate to assess this until baby has been out for a while. I usually schedule a repeat ultrasound before the 2 month visit when these have either normalized or become more definite. The absence of any dilation of the ureters is the best "good" sign.
Answered on Jan 6, 2018
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