Methods:Amino acid load in amniotic fluid 60 cases of normal different gestation age pregnancy and 18 cases with IUGR were determinated by PI LO TH G.

• 方法:采用己硫氢酸苯酯住前衍生法,测定了不同孕周的孕妇60例、IUGR孕妇18例羊水中氨基酸水平。