判定胎儿肺成熟度的方法,目前最常用的就是L/S的测定和震荡试验。可是这两种方法均有缺点。首先是假阴性率高。而在糖尿病合并妊娠时却出现了高比率的假阳性。最近,很多学者认为,用测定羊水中的磷脂酰基甘油能够正确地诊断胎儿的肺成热度。在成熟动物中,磷脂酰基甘油是仅次于鞘磷脂的主要的肺表面活性物质。它是一种磷脂质。 The most commonly used method for determining fetal lung maturity is the L / S assay and the shock test. However, both methods have disadvantages. The first is a high false negative rate. However, there was a high rate of false positives in diabetes with pregnancy. Recently, many scholars believe that the determination of phosphatidylglycerol in amniotic fluid can correctly diagnose fetal lung heat. In mature animals, phosphatidylglycerol is the major pulmonary surfactant next to sphingomyelin. It is a phospholipid.