Table 1.

Experiment 1: Survival, fertilization and in vitro development to blastocyst of V1 vitrified human oocytes from 16 patients according to the two warming methods (W1 and W2)

Variable	Experiment 1		P-value
Vitrification method	V1	V1
Warming method	W1	W2
No. of vitrified-warmed oocytes	44	48
No. of survived oocytes (%)	29/44 (65.9)	43/48 (89.6)	0.007
No. of fertilized oocytes (%)	18/29 (62.1)	35/43 (81.4)	0.01
No. of good-quality day 3 embryos (%)	7/18 (38.9)	16/35 (45.7)	0.034
No. of good-quality blastocysts on day 5 (%)	1/18 (5.6)	5/35 (14.3)	NS
No. of good-quality blastocysts on day 5 + 6 (%)	1/18 (5.6)	9/35 (25.7)	0.028
Efficiency (No. Of GQ d5 Bl/warmed oocyte)	1/44 (2.3)	5/48 (10.4)	NS
Efficiency (No. Of GQ d5 + 6 Bl/warmed oocyte)	1/44 (2.3)	9/48 (18.8)	0.020

NS Not Significant; GQ Good Quality