1)Healy D:Damaged babies from assisted reproductive technologies:focus on the BESST(birth emphasizing a successful singleton at term)outcome. Fertil Steril 81:512-513, 2004
2)Adamson D, Baker V:Multiple births from assisted reproductive technologies:a challenge that must be met. Fertil Steril 81:517-522, 2004
3)Pinborg A, Loft A, Schmidt L, et al:Morbidity in a Danish National cohort of 472 IVF/ICSI twins, 1132 non-IVF/ICSI twins and 634 IVF/ICSI singletons:health-related and social implications for the children and their families. Hum Reprod 18:1234-1243, 2003
4)Lukassen HG, Schönbeck Y, Adang EM, et al:Cost analysis of singleton versus twin pregnancies after in vitro fertilization. Fertil Steril 81:1240-1246, 2004
5)Kuramoto T, Boedinono A, Egashira A, et al:Selected single blastocyst transfers maintained pregnancy outcome and eliminated multiple pregnancies. Reprod Med Biol 3:13-18, 2004
6)Gardner DK, Surrey E, Minjarez D, et al:Single blastocyst transfer:a prospective randomized trial. Fertil Steril 81:551-555, 2004
7)Fanchin R, Ayoubi JM, Righinic C, et al:Uterine contractility decreases at the time of blastocyst transfer. Hum Reprod 16:1115-1119, 2001
8)Martikainen M, Orava M, Lakkakorpi J, et al:Day2 elective single embryo transfer in clinical practice:better outcome in ICSI cycles. Hum Reprod 19:1364-1366, 2004
9)Van Montfoort AP, Dumoulin JC, Kester AD, et al:Early cleavage is a valuable addition to existing embryo selection parameter:a study using single embryo transfers. Hum Reprod 19:2103-2108, 2004
10)吉岡尚美,東島利紀,西村千佳子,他:胚盤胞移植は子宮外妊娠につながるか?日不妊会誌48:113-117,2003
11)Cruz JR, Dubey AK, Patel J, et al:Is blastocyst transfer useful as an alternative treatment for patients with multiple in vitro fertilization failures? Fertil Steril 72:218-220, 1999
12)Milki AA, Jun SH, Hinckley MD, et al:Incidence of monozygotic twinning with blastocyst transfer compared to cleavage-stage transfer. Fertil Steril 79:503-506, 2003