Filling of the Urinary Bladder During Difficult Cesarean Section

Group A have a triple-way urethral catheter insertion before establishment of anaesthesia. Evaluation of the drained urine is done (including: amount, character, and simple for culture and sensitivity). Instillation of 200 ml sterile saline is done by 50 ml syringe through the irrigation way. The irrigation way is closed temporarily by artery forceps. After laparotomy the bladder may be deflated by 50 ml or further inflated by 50 ml if needed to allow comfortable dissection.

Group B have Foley's catheter is inserted as usual. The catheter is connected freely to urinary bag.