1Phelan JP, Ahn MO, Smith CV, et al. Amniotic fluid index measurement during pregnancy. J Reprod Med, 1987, 32: 601～604
2Veille JC, Hanson RA, Tatum RK, et al. Quantitative assessment of human fetal renal blood flow. Am J Obstet Gynecol,1993,169:1399～1402
3Mari G, Kirshon B, Abuhamad A. Fetal renal artery flow velocity waveforms in normal pregnancies and pregnancies complicated by polyhydramnios and olighydramnios. Obstet Gynecol, 1993, 81: 560～564
9Kwon JY,Kwon HS,Kim.Abnormal Dopplerve locimetr y isrelated to adver seperinat al outcome for border line amniotic fluidindex during third tr imester. J Obstet Gynacecol Res . 2006
10Krampl E,Chalubinski K,Schatten C,et al.Dose acute hypoxia cause fetal arterial blood flow redistribution. Ultrasound in Obstetrics and Gynecology . 2001
