From: Early embryo development in a sequential versus single medium: a randomized study
 |  | GROUP A | GROUP B |
---|---|---|---|
Number of patients eligible (n) | 358 | Â | Â |
Number of patients informed (n) | 178 | Â | Â |
Number of patients accepted (n) | 170 | Â | Â |
Response rate (%) | 96% | Â | Â |
Number of patients randomized | 170 | 85 | 85 |
Number of cycles excluded after randomization | Â | Â | Â |
   - Failed fertilization (n) | 7 | 4 | 3 |
   - Cryopreservation on day 1 (n) | 3 | 3 | 0 |
   - Embryo transfer on day 2 (n) | 13 | 8 | 5 |
Number of cycles included for analysis (n) | 147 | 70 | 77 |