5Bodeus M, Hubinont C, Goubau P. Increased risk of Cytomegalovirus transmission in utero during late gestation [ J ]. Obstet Gynecol, 1999, 93 (5Pt1) : 658-660.
6Boppana SB, Rivera LB, Fowler KB, et al. Intrauterine transmission of Cytomegalovirus to infants of women with preconceptional immunity[ J ]. New Engl J Med, 2001,344(18) :1366-1371.
7Scalise G, Mura MS, Asara G, et al. Concentrations of the IgM and antibodies for the TORCH complex in the umbilical blood[J]. Ann Sclavo, 1977,19 (5) : 943 -950.
3Li ZY, Yan CL, Ping L, et al. Prevalence of serum anti- bodies to TORCH among women before pregnancy or in the early period of pregnancy in Beijing[J]. Clin Chim Ac- ta,2009,403(1/2) :212-215.
4Cooke A, Mills TA, Lavender T. " Informed and uni- formed decision making"-women's reasoning,experiences with regard to advgued maternal age and delayed child- bearing., a meta-synthesis [J]. Int Nurs Stud, 2010, 47 (10) : 1317-1329.
5Gerber S, Hohlfeld P. Screening for infectious diseases [J]. Childs Nerv Syst,2003,19(7/8) :429-432.
6Nyholm JL, Schleiss MR. Prevention of maternal cyto- megalovirus infection: current status and future prospects [J]. Int J Womens Health,2010,2(2) :23-35.