Fresh or frozen day 6 blastocyst transfer: is there still a question?

Table 2 Frozen versus fresh D6 embryo transfers outcomes

	Frozen D6 blastocyst transfers (n = 787)	Fresh D6 blastocyst transfer (n = 109)	p-value
Clinical PR	134 (17.0)	8 (7.3)	0.009
Early miscarriage rate	36 (26.9)	2 (25.0)	0.908
Total live birth rate	98 (12.5)	6 (5.5)	0.034

D6 = day 6; PR, pregnancy rate
The data are represented as means ± the standard error or n (%) unless specified otherwise
^k Pearson’s chi-square test

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