1Allaire AD,Cefalo RC.Preconceptional health care model[J].Eur J Obstet Gynecol Reprod Biol,1998,78(2):163-168.
2US Department of Health & Human Services.Healthy people 2000:National health promotion and disease prevention objectives for the year 2000[R].MMWR Morb Mortal Wkly Rep,1990,39(39):689-690,695-697.
3Johnson K,Posner SF,Biermann J,et al.Recommendations to improve preconception health and health care-United States.A report of the CDC/ATSDR Preconception Care Work Group and the Select Panel on Preconception Care[R].MMWR Recomm Rep,2006,55(RR-6):1-23.
4CDC′s roadmap for preconception health care[J].Lancet,2006,367(9525):1792.
5ACOG Committee Opinion.Number 325,December 2005.Update on carrier screening for cystic fibrosis[J].Obstet Gynecol,2005,106(6):1465-1468.
6ACOG committee opinion.Number 298,August 2004.Prenatal and preconceptional carrier screening for genetic diseases in individuals of Eastern European Jewish descent[J].Obstet Gynecol,2004,104(2):425-428.
7Kuehn BM.CDC promotes care before conception[J].JAMA,2006,295(22):2591-2592.
