. 2011 Jul 20;6(7):e22172. doi: 10.1371/journal.pone.0022172

Table 1. Development of embryos produced by the ICSI and IVF procedures in vitro.

Group	No. of embryos	No. of activated embryos (%)	No. of embryos develop to different stages (%)
			2-cell	Morula	Blastocyst
ICSI	65	63 (96.9)^a	63 (96.9)^a	50 (76.9)^a	47 (72.3)^a
IVF	78	76 (97.4)^a	76 (97.4)^a	72 (92.3)^b	69 (88.5)^b

^a–b

Values with different superscripts in the same column are significantly different (P<0.05).