Table 3.
Results of PGD for nonsyndromic deafness
| Number families | 14 |
| Total number of markers | 13 |
| Number cycles | 35 |
| Number PB cycles | 6 (17%) |
| Number blastomere cycles | 27(77%) |
| Number blastomere cycles (frozen) | 10 |
| No. PB cycles continued to blastomere | 2 (5%) |
| Mean number of COC/cycle | 15 |
| Mean number of M2/cycle | 13 |
| Total number of PB1 biopsied | 114 |
| PB1 successfully biopsied | 111 (98%) |
| Total number of PB2 biopsied | 81 |
| PB2 successfully biopsied | 76 (93%) |
| Total embryos diagnosed by PB-PGD | 107(96%) |
| Total blastomere biopsied | 157 |
| Blastomere successfully biopsied | 153 (97%) |
| Total embryos diagnosed by blastomere—PGD | 133 (87%) |
| Mean embryos transferred/cycle | 1.9 |
| Pregnancy rate/ET | 25% |
| Number of healthy children born | 3 |
| Number of ongoing pregnancies | 5 |
| Heterozygous PB1 | 19/114 (17%) |
| ADO in PB1(total 135 reactions) | 22(16%) |
| ADO in blastomere (687 reactions) | 135 (19%) |
| Mean number of informative markers/family in PB-PGD | 7.7 |
| Mean number of informative markers/family in blastomere PGD | 3.3 |