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羊水除可给胎儿提供一个有利于生长的环境外,还有保持胎儿新陈代谢和水平衡的功能。一般认为在正常羊水量中93.40％的胎儿发育正常,而羊水异常的胎儿畸形率和围产儿病死率显著增高。chamberlain等报道,羊水过少比羊水量正常者的围产儿病死率高约17倍,羊水量过多比羊水量正常者围产儿病死率高约40倍,说明羊水量与胎儿间关系极为密切。本文仅就羊水量异常的临床意义综述如下:
In addition to providing the fetus amniotic fluid conducive to the growth of the environment, but also to maintain fetal metabolism and water balance function. Generally believed that 93.40% of normal fetal amniotic fluid in normal, while the amniotic fluid abnormal fetal rate and perinatal mortality was significantly higher. Chamberlain and other reports, oligohydramnios than normal amniotic fluid perinatal mortality of about 17 times higher than the normal amniotic fluid amniotic fluid volume perinatal mortality of about 40 times higher, indicating that amniotic fluid and fetal relationship is very close. This article only on the clinical significance of abnormal amniotic fluid are summarized as follows: