. 2017 Feb 11;34(5):563–571. doi: 10.1007/s10815-017-0881-y

Table 1.

Developmental potential of reconstructed oocytes after PB1T and PB2T

Treatment	No. oocytes	Average maternal age (years)	Survived enucleation (%)	Fusion (%)	Survived ICSI (%)	Normal fertilization (%)	Blastocyst formation (%)
Fresh PB1T	28	29.7 ± 3.9^c	24 (85.7)^c	22 (91.7)^c	21 (95.5)^c	13 (61.9)^c	4 (30.8)^c
Cryopreserved PB1T	10	30.7 ± 3.3^c	9 (90.0)^c	8 (88.9)^c	8 (100.0)^c	6 (75.0)^c	3 (50.0)^c
Fresh PB2T	18^b	31.0 ± 3.4^c	17 (94.4)^c	17 (100.0)^c	–	–	0^d
Control^a	19	31.4 ± 4.2^c	–	–	19 (100.0)^c	16 (84.2)^c	7 (43.8)^c

^aIn vitro matured oocytes inseminated by intracytoplasmic sperm injection (ICSI) without polar body transfer (PBT) were set as the control

^bA total of 26 oocytes were used for fresh PB2T, and 18 zygotes presented with two pronuclei 7–8 h after ICSI

^c,dValues with different superscripts (c and d) in the same column are significantly different (P < 0.05)