From: Role of routine hysteroscopy in previous failed ICSI: a continuous clinical dilemma
 | Previous failed IVF/ICSI once (n = 37) | Previous failed IVF/ICSI twice (n = 33) | Previous failed IVF/ICSI thrice (n = 30) | |||
---|---|---|---|---|---|---|
 | Positive clinical pregnancy | NNT | Positive clinical pregnancy | NNT | Positive clinical pregnancy | NNT |
Overall | 14 (37.8%) | 2.64 | 13 (39.4%) | 2.54 | 12 (40%) | 2.50 |
Polyp | 5 (50%) | 2.0 | 5 (55.4%) | 1.80 | 3 (60%) | 1.67 |
Intrauterine adhesions | 0 (0%) | Â | 3 (100%) | 1.0 | 0 (0%) | Â |
Submucous myoma | – | – | 0 (0%) | – | 2 (100%) | 1.0 |
Uterine septum | – | – | 1 (100%) | 1.0 | 0 (0%) | – |