. 2020 Jun 27;19(4):357–364. doi: 10.1002/rmb2.12335

Table 2.

Results of experiment 2, metaphase II spindle transfer (MESI), and intracytoplasmic sperm injection (ICSI), for the three groups of FF, FO, and OF

	N	No. surviving after MESI (% of N)	No. of fragments after MESI (%)	No. surviving after ICSI (%)	No. of fragments after ICSI (%)	No. of PN (%)	No. of. embryos developing to
	N	No. surviving after MESI (% of N)	No. of fragments after MESI (%)	No. surviving after ICSI (%)	No. of fragments after ICSI (%)	No. of PN (%)	2‐cell stage (% of PN)	Blastocyst stage (% of PN)
FF	334	231 (69.2)	5 (2.2)^a	156 (67.5)	13 (8.3)^c	143 (91.7)	133 (93.0)	72 (50.3)^e
FO	393	155 (39.4)	88 (56.8)^b	63 (40.6)	34 (54.0)^d	29 (46.0)	12 (41.4)	0 (0)^f
OF	402	223 (55.5)	13 (5.8)^a	147 (65.9)	42 (28.6)^c	105 (71.4)	87 (82.9)	32 (30.5)^e

Abbreviations: FF, cytoplast from fresh oocyte and spindle from another fresh oocyte; FO, cytoplast from 1‐day‐old oocyte and spindle from fresh oocyte; ICSI, intracytoplasmic sperm injection; MESI, metaphase II spindle injection; OF, cytoplast from fresh oocyte and spindle from 1‐day‐old oocyte; PN, pronuclear.

a vs. b: P < .01, c vs. d: P < .01, e vs. f: P < .01