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Reasons for infertility in both groups.
| GROUP 1 (n = 12) | GROUP 2 (n = 13) | TOTAL | |
|---|---|---|---|
| Tubal occlusion | 2 | 1 | 3 |
| Endometriosis | 1 | 1 | 2 |
| Male factor | 1 | 1 | 2 |
| Unexplained infertility | 8 | 10 | 18 |
Notes: Group 1: unsuccessful oocyte retrieval. Group 2: retrieval of more than four oocytes.
