患者女,23岁。因第一胎足月妊娠规律性宫缩16小时,剧烈腹痛1小时,在当地医院诊为难产而转入本院。查体:Bp15/12kPa,胎心156次/min。宫底耻上34cm,子宫下段拉长变薄,压痛显著。宫口开全,阴道前壁穹窿处有一鸭卵状硬物,表面光滑,不活动,还纳无效。因影响先露下降而导致梗阻性难产、子宫先兆破裂。入院后,在硬膜外麻醉下行子宫下段剖宫产术,术中取出一女婴,体重3500g。探查发现膀胱内有鸭卵大结石,即行膀胱切开取石术。取出一5cm×4cm×4cm大椭圆形结石,重120g。术后12天拔出尿管,排导通畅,查尿常规正常。术后16天痊愈出院。追问病史,方知患者自7岁起经常出现尿痛、尿频、排尿困难等膀胱刺激症状,曾在当地医院诊为膀胱炎。现因足月妊娠临产、子宫收缩、先露下降、压迫膀胱而将膀胱内结石挤入 Female patient, 23 years old. Due to first-term full-term pregnancy contractions 16 hours of contractions, severe abdominal pain for 1 hour, diagnosed as dystocia in the local hospital and transferred to this hospital. Physical examination: Bp15 / 12kPa, fetal heart 156 times / min. Palace shame on the 34cm, lower uterine elongated thinning, tenderness significantly. Palace mouth open, vaginal anterior dome with a dull egg-like hard objects, the surface is smooth, inactive, but also satisfied. Due to the impact of the first decline and lead to obstructive dystocia, uterine rupture. After admission, under epidural anesthesia under the lower uterine segment cesarean section, intraoperative removal of a baby girl, weighing 3500g. Exploration found that there are ducks in the bladder large stones, that is the line of lithotomy. Remove a 5cm × 4cm × 4cm large oval stones, weighing 120g. Pull out the catheter after 12 days, drain patency, check urine normal. After 16 days cured and discharged. Asked the medical history, to know patients from the age of 7 often appear dysuria, urinary frequency, dysuria bladder irritation and other symptoms, had a local hospital diagnosed as cystitis. Are due to full-term pregnancy labor, uterine contractions, the first exposed drop, oppression of the bladder and bladder stones will be squeezed