5-year follow-up finds routine ultrasound effective for managing fetal hydronephrosis, suggesting less imaging anxiety for families.
Most cases of fetal hydronephrosis resolve spontaneously without intervention. The UTD system effectively stratifies postnatal risk. For asymptomatic infants in the UTD A1 group, routine ultrasound within the first year of life is sufficient, reducing unnecessary early imaging and family anxiety. APD and A/R ratio are critical imaging predictors for surgical decision-making.
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Mo et al. (2025) studied this question.
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