Table 4 Correlation between nucleus status at the two-cell stage and blastocyst development.
Parameter | Group 1 | Group 2 | Group 3 | P |
|---|---|---|---|---|
No. MN2 embryos (n) | 705 | 1108 | 268 | / |
D3 good quality embryos (%,n) | 42.27 (298/705) | 43.50 (482/1108) | 40.67 (109/268) | 0.401 |
D3 available embryos (%,n) | 84.96 (599/705) | 84.04 (927/1108) | 83.21 (223/268) | 0.460 |
Types of MN2 (%,n) | 0.305 | |||
2BI1 | 30.2 (213/705) | 28.4 (315/1108) | 26.9 (72/268) | |
2BI2 | 2.7 (19/705) | 2.7 (30/1108) | 3.0 (8/268) | |
2MULTI1 | 31.9 (225/705) | 30.9 (342/1108) | 32.1 (86/268) | |
2BI1/2MULTI1 | 5.4 (38/705) | 7.0 (77/1108) | 4.9 (13/268) | |
2MULT2 | 29.8 (210/705) | 31.0 (344/1108) | 33.2 (89/268) | |
Blastocyst formation (%,n) | 0.500 | |||
2BI1 | 61.0 (130/213) | 58.0 (183/315) | 61.1 (44/72) | |
2BI2 | 52.6 (10/19) | 46.7 (14/30) | 50.0 (4/8) | |
2MULTI1 | 58.2 (131/225) | 60.5 (207/342) | 58.1 (50/86) | |
2BI1/2MULTI1 | 57.9 (22/38) | 57.1 (44/77) | 61.5 (8/13) | |
2MULTI2 | 46.7 (98/210) | 44.5 (153/344) | 46.0 (41/89) |
