Caughey AB, et al. (2006). Chorionic villus sampling compared with amniocentesis and the difference in the rate of pregnancy loss. Obstetrics and Gynecology, 108(3): 612-616.
Seeds JW (2004). Diagnostic mid trimester
amniocentesis: How safe? American Journal of Obstetrics and Gynecology, 191: 608-616.
Other Works Consulted
American College of Obstetricians and Gynecologists
(2007, reaffirmed 2009). Invasive prenatal testing for aneuploidy. ACOG Practice Bulletin No.
88. Obstetrics and Gynecology, 110(6):
Wapner RJ, et al. (2009). Prenatal diagnosis of congenital disorders. In RK Creasy et al., eds., Creasy and Resnik's Maternal-Fetal Medicine: Principles and Practice, 6th ed., pp. 221-274. Philadelphia: Saunders Elsevier.