Baby left kidney hydronephrosis

Patient's question:

I am more than 24 weeks pregnant. The four-dimensional ultrasound revealed that the baby has hydronephrosis in the left kidney, while the rest is normal. The left kidney measures 3921mm, and the right kidney measures 3116mm. The left renal collecting system shows a separation of the dark area with a width of approximately 12mm, while the right kidney has a dark area width of about 5mm. The cortex thickness of both kidneys is approximately 6mm. The bladder size is 181523mm. I consulted the genetic counseling clinic, and they said there is a possibility of needing an induced abortion. Both my husband and I have always been in good health. Now, I don't know what to do.

Doctor's answer:

Hello, don't worry for now, let's wait and see for two more weeks. Medical advice: Based on the current ultrasound report, the width of the left renal collecting system separation dark area is approximately 12mm, which indeed exceeds the reasonable range. However, the width of the right renal dark area is about 5mm and is still within the normal range. This means that the baby's congenital bilateral ureteral obstruction can be ruled out. If the baby holds a lot of urine, it could also cause this. It is recommended that you follow up in two weeks, preferably around 3 PM. At this time, the baby's intrauterine metabolism is almost complete. Let's wait and see again. Wishing you and the baby good health.

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