参考文献/References:
［1］李胜利，邓学东．产前超声检查指南(2012) ［J］．中华医学超声杂志（电子版），2012，9 （7）：574-580．
［2］邓学东．产前超声检查指南(2012)解读 ［J］．中华医学超声杂志（电子版），2012，9 （7）：571-573．
［3］李胜利．对中国医师协会超声医师分会《产前超声检查指南（2012）》的深入解读 ［J］．中华医学超声杂志（电子版），2014 ，11 （4）：1-9．
［4］VAN DEN HOF M C, WILSON R D, Diagnostic Imaging Committee, Society of Obstetricians and Gynaecologists of Canada, et alFetal soft markers in obstetric ultrasound ［J］. Journal of Obstetrics and Gynaecology Canada : JOGC, 2005, 27(6): 592-636.
［5］LEE M J, ROMAN A S, LUSSKIN S, et al. Maternal anxiety and ultrasound markers for aneuploidy in a multiethnic population［J］. Prenatal Diagnosis, 2007, 27(1): 40-45.
［6］唐英，杨太珠，朱琦，等．胎儿颈项透明层增厚早期筛查先天性心脏病的价值 ［J］．中国循证医学杂志，2015，15（4）：373-376．
［7］BRONSHTEIN M, ZIMMER E Z, BLAZER S. The utility of detailed first trimester ultrasound examination in abnormal fetal nuchal translucency ［J］. Prenatal Diagnosis, 2008, 28(11): 1037-1041.
［8］MURPHY H, PHILLIPPI J C. Isolated intracardiac echogenic focus on routine ultrasound: implications for practice ［J］. Journal of Midwifery & Women's Health, 2015, 60(1): 83-88.
［9］SMITH-BINDMAN R, HOSMER W, FELDSTEIN V A, et al. Second-trimester ultrasound to detect fetuses with Down syndrome - A meta-analysis ［J］. JAMA-Journal of the American Medical Association, 2001, 285(8): 1044-1055.
［10］SHIPP T D, BROMLEY B, LIEBERMAN E, et al. The frequency of the detection of fetal echogenic intracardiac foci with respect to maternal race ［J］. Ultrasound in Obstetrics & Gynecology : the Official Journal of the International Society of Ultrasound in Obstetrics and Gynecology, 2000, 15(6): 460-462.
［11］SIMON-BOUY B, SATRE V, FEREC C, et al. Hyperechogenic fetal bowel: a large French collaborative study of 682 cases ［J］. American Journal of Medical Genetics Part a, 2003, 121A(3): 209-213.
［12］SIGNORELLI M, TIBERTI A, VALSERIATI D, et al. Width of the fetal lateral ventricular atrium between 10 and 12 mm: a simple variation of the norm? ［J］. Ultrasound in Obstetrics & Gynecology : the Official Journal of the International Society of Ultrasound in Obstetrics and Gynecology, 2004, 23(1): 14-18.
［13］张波，杨太珠．经超声诊断的孤立性轻度侧脑室增宽胎儿的临床预后 ［J］．中国医学影像技术，2010，26（7）：1340-1342．
［14］张云姣，刘志聪，蔡洁．经腹及经会阴超声对前置胎盘诊断价值比较 ［J］．中国超声医学杂志，2006，22（10）：791-792．
［15］陈娟，盖铭英．前置胎盘及胎盘早剥的超声诊断 ［J］．实用妇产科杂志，2010，26（7）：488-490．
［16］罗红，周世英，杨太珠，等．超声多指标预测临产胎儿体重 ［J］．华西医科大学学报，2001，32（4）：618-620．