. 2016 Sep 17;33(12):1685–1690. doi: 10.1007/s10815-016-0811-4

Table 2.

Effects of oolemma properties on fertilization after ICSI and subsequent embryonic development

	Group A	Group B	Group C
No. of oocytes injected	422	351	95
No. (%)^a of oocytes fertilized	357 (84.6)*	305 (86.9)*	62 (65.3)**
No. (%)^a of oocytes degenerated	3 (0.71)*	1 (0.28)*	23 (24.2)**
No. of embryos cultured	348^d	305	62
No. (%)^b of blastocysts	231 (66.4)	206 (67.5)	37 (59.7)
No. (%)^c of good-quality blastocysts	134 (58.0)	123 (59.7)	24 (64.9)

*^, **Values with different superscripts are significantly different (P < 0.01)

ICSI intracytoplasmic sperm injection

^aPercentage per oocytes injected

^bPercentage per embryos cultured

^cPercentage per blastocysts

^dNine fertilized oocytes were cryopreserved or transferred on day 1, 2, or 3