Table 1.

Comparison of survival, implantation and pregnancy rates according to loading device

	Loading Device	Sample Size	Survival Rate	Implantation Rate	Pregnancy Rate
Mukaida et al, 2001[8]	Cryoloop	N = 60	63%	--	31%
Cho, 2002 et al [21]	EM grid	N = 21	83%	--	34%
Reed et al, 2002[10]	Cryoloop	N = 54	100%	15%	--
Mukaida et al, 2003[9]	Cryoloop	N = 725	80%	20%	37%
Osada et al, 2003[11]	Cryotop	N = 580	99%	--	56%
Stehlik et al, 2005[12]	Cryotop	N = 41	100%	--	50%
Takahashi et al, 2005[19]	Cryoloop	N = 1129	86%	29%	44%
Kuwayama et al, 2005[18]	Cryotip	N = 5695	90%	--	53%
Liebermann et al, 2006[13]	Cryotop	N = 547	97%	31%	46%
Mukaida et al, 2008[29]	Cryoloop	N = 5412	92%	36%	49%