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. 2006 Mar 31;23(2):69–74. doi: 10.1007/s10815-006-9022-8

Table I.

Evaluation of Embryo Development After ICSI Between Normospermic (Group 1), Mild OAT (Group 2), Severe OAT (Group 3), OA (Group 4) and NOA (Group 5) Patients

Group 1 Group 2 Group 3 Group 4 Group 5
Female age (years) 35.9±0.5 33.7±0.7 32.1±0.8* 31.0±0.7* 31.3±0.9*
Number of oocyte retrievals (OR) 69 43 29 41 37
Number of MII oocytes injected 432 259 266 358 274
Number of MII oocyte fertilized (%) 331/432 (76.6) 184/259 (71.0) 184/266 (69.1)** 203/358 (56.4)**,***,† 147/274 (53.6)**,***,†
Number of embryos cleaved (%) 328/331 (99.0) 180/184 (97.8) 172/184 (93.4)** 194/203 (96.5)** 140/147 (95.2)**
Number of 4-cell, grade 1 and 2 embryos on day 2 (%) 64/328 (19.5) 20/180 (11.1)** 18/172 (10.5)** 20/194 (10.3)** 10/140 (7.1)**
Blastocyst formation rate on day 5 (%) 62/107 (58.0) 21/49 (42.8) 9/62 (40.6)**,*** 3/60 (32.1)**,*** 0/4 (0.0)**

Note. Data are given as mean ± SEM or as absolute values (percentages).*p < 0.05 vs. group 1 (one-way ANOVA//Bonferroni).**p < 0.05 vs. group 1 (Chi-square).***p < 0.05 vs. group 2 (Chi-square).p < 0.05 vs. group 3 (Chi-square).