Which finding indicates a return to urinary function after catheter removal in a post-cesarean birth client?

The indicator that signifies a return to urinary function after catheter removal in a client who has undergone a cesarean delivery is the client's ability to void a significant volume of urine in a specified amount of time. Voiding 300 mL within 4 hours demonstrates that the urinary bladder is functioning properly and that the patient is able to effectively void since adequate urinary output is a key aspect of bladder recovery post-surgery.

This finding suggests that the bladder's capacity and detrusor muscle function are returning to normal, which is important following the temporary period of catheterization. It's also noteworthy that a volume of 300 mL is generally considered an adequate void for a healthy individual, particularly in the early postpartum period.

Other findings related to residual urine and urinary output can provide valuable information but are not definitive indicators of immediate return to normal urinary function. For instance, residual urine should ideally be low after bladder function has returned, while daily output over 1500 mL may indicate well-functioning urinary function but does not specifically address the immediate post-catheter situation as effectively as the volume of urine voided within the first few hours post-removal.