1Chauhan SP,Reynolds D,Cole J, et al. Absent or reversed end-diastolic flow in theumbilical artery: outcome at a community hospital[J]. J Miss State Med Assoc,2005,46 (6):163.
2Malhotra N, Chanana C, Kumar S, et al. Comparison of perinatal outcome of growth-restricted fetuses with normal and abnormal umbilical artery Doppler waveforms [J]. Indian J Med Sci,2006,60(8) :311.
3Yildirim G, Turhan E, Aslan H, et al. Perinatal and neonatal outcomes of growth restricted fetuses with positive end diastolic and absent or reversed umbilical artery doppler waveforms[J]. Saudi Med J, 2008,29 (3) : 403.
4Arauz J F,Leon J C,Veldsquez PR,et al. Umbilical artery Doppler velocimetry and adverse perinatal outcome in severe pre-eclampsia[J]. Gynecol Obstet Mex, 2008,76 (8) :440.
5Li H,Gudnason H, Olofsson P, et al. Increased uterine artery vascular impedance is related to adverse outcome of pregnancy but is present in only one-third of late thirdtrimester pre-eclamptic women [J ]. Ultrasound Obstet Gynecol,2005,25(5) :459.
6Kontopoulos EV, Quintero RA, Chmait RH, et al. Percent absent end-diastolic velocity in the umbilical artery waveform as a predictor of intrauterine fetal demise of the donor twin after selective laser photocoagulation of communicating vessels in twin-twin transfusion syndrome[J]. Ultrasound Obstet Gynecol, 2007,30 (1) : 35.
7Berg C, Thomsen Y, Geipel A, et al. Reversed end-diastolic flow in the umbilical artery at 10-14 weeks of gestation is associated with absent pulmonary valve syndrome [J]. Ultrasound Obstet Gyneeol,2007,30(3):254.
9Figueroa DH, Hernandez AE, Acosta RR, et al. Doppler changes in the main fetal brain arteries at different stages of hemodynamic adaptation in severe intrauterine growth restriction[J]. Ultrasound Obstet Gynecol,2007,30(3):297.
10Picconi JL, Hanif F, Drennan K, et al. The transitional phase of duetus venosus reversed flow in severely premature IUGR fetuses[J]. Am J Perinatol,2008,25(4) :199.
3Freeman JM,Nelson KB. Intrapartum asphyxia and cerebral palsy[J]. Pediatrics, 1988,82 : 240.
4Leuthner SR,Das UG. Low Apgar scores and the definition of birth asphyxia[J]. Pediatr Clin North Am, 2004, 51(3) :737.
5Use and abuse of the Apgar score. Committee on Fetus and Newborn, American Academy of Pediatrics, and Committee on Obstetric Practice,American College of Obstetricians and Gynecologists [J]. Pediatrics, 1996, 98 ( 1 ) : 141.
6Thorp JA,Rushing RS. Umbilical cord blood gas analysis [J]. Obstet Gynecol Clin North Am, 1999,26(4) :695.
7Armstrong L,Stenson BJ. Use of umbilical cord blood gas analysis in the assessment of the newborn[J]. Arch Dis Child Fetal Neonatal Ed,2007,92(6) : F430.
9Victory R,Penava D,Da Silva O,et al. Umbilical cord pH and base excess values in relation to adverse outcome events for infants delivering at term[J]. Am J Obstet Gynecol,2004,191(6) :2021.
10Dudenhausen JW, Milz T. Consequences of intrauterine acidosis for early morbidity of term newborn infants[J]. Z Geburtshilfe Neonatol, 2007,211 (4) : 153.
6Craigo SD, Beach ML, Harvey-Wilkes KB, et al. Ultround predic- tors of neonatal outcome in intrauterine growth restriction. Am J Perinatol,1996,13 (8) :465-471.
7Lubchich A, Babazhanova SH. The effect of delivery method on perinatal outcomes in case of absense of end diastolic blood flow in fetal umbilical artery. Georgian Med News,2007,151 (10) :23- 26.
10Martins Neto M,Carvalho FH,Mota RM. Predictor parameters of neonatal death in gestations with absent or reverse end-diastolic flow in the umbilical artery doppler velocimetry[J].Rev Bras Gynecol Obstet,2010,(07):352-358.
