Endometriosis of bladder was found in 1 patient by routine checkup and in 2 by periodic abdominal pain and bladder irritation during the menses ( one with urodynia and hematuria another with precipitant urination and urinary frequency ) .

2例出现与月经 有关的周期性腹痛及膀胱刺激 征（1 例 表现 为 尿痛及血尿，1例 表现 为尿急、尿频）。