新生儿因分娩致肾破裂引起尿性腹水非常罕见。我们曾遇 1例 ,现报道如下。患儿男 ,1997年 7月 12日出生 ,第 2胎第 1产 ,足月经阴道肩难产分娩。出生体重 5 0 5 0 ｇ。出生前 12小时Ｂ超检查胎儿示右肾大量积水 ,左肾及双输尿管、膀胱正常 ,无腹水。生后体检发现全腹膨隆 ,阴囊 Neonatal urinary ascites caused by ruptured kidneys due to childbirth is very rare. We have encountered a case, are reported below. Children male, born on July 12, 1997, the first two births, vaginal shoulder full term labor. Birth weight 5 0 5 0 g. 12 hours before birth, B-ultrasound showed a large number of fetal hydronephrosis, left kidney and double ureter, normal bladder, without ascites. Health examination found that full belly bulging, scrotum