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. 2009 Dec 4;26(11-12):561–567. doi: 10.1007/s10815-009-9368-9

Table 2.

Fertilization rate, cleavage rate, embryo quality and pregnancy rate in the three groups of the study

Group I Group II Group III P
No of cases 18 30 18
No of oocytes 11.9 ± 7.5a 9.6 ± 4.2ab 6.1 ± 3.9b <0.04
No of MII oocytes 9.5 ± 5.5a 8.0 ± 3.6a 5.2 ± 3.7b <0.01
Fertilization rate 0.82 ± 0.16 0.70 ± 0.19 0.85 ± 0.19 NS
Cleavage rate 0.98 ± 0.06 0.96 ± 0.11 0.97 ± 0.12 NS
No. of embryos 7.2 ± 4.2a 5.6 ± 3.3a 4.0 ± 2.9b <0.04
No. of transferred embryos 2.5 ± 0.8 2.9 ± 0.7 2.5 ± 1.1 NS
Embryo quality:
 No of blastomeres 2.9 ± 1.0 3.4 ± 1.6 3.2 ± 1.4 NS
 Fragmentation 1.4 ± 0.7 1.1 ± 0.3 1.2 ± 0.4 NS
Clinical implantation rate 31% (14/45)a 9% (8/87)b 2% (1/44)b <0.001
Clinical pregnancy rate 61% (11/18)a 24% (8/33)b 5% (1/18)b <0.001

Different superscripts a and b indicates significant statistical difference (P < 0.05, using Bonferroni multiple comparison test and Z-test for two proportions) whereas similar superscript indicates non-significance