Table 3 Clinical pregnancy and live birth rates of single 0PN blastocyst transfers divided by cell number on day 3
| Â | Clinical pregnancy rate (%) | Live birth rate (%) | ||||
|---|---|---|---|---|---|---|
| Â | 0PN | 2PN | P-Value | 0PN | 2PN | P-Value |
Subgroups | ||||||
   ≤ 4 cells | 26.7% (4/15) | 39.2% (185/472) | 0.327 | 26.7% (4/15) | 29.0% (137/472) | 1.000 |
  5 cells | 37.5% (3/8) | 40.3% (271/673) | 1.000 | 37.5% (3/8) | 32.8% (221/673) | 1.000 |
  6 cells | 58.6% (17/29) | 43.3% (367/848) | 0.102 | 37.9% (11/29) | 35.7% (303/848) | 0.808 |
  7 cells | 52.6% (20/38) | 48.1% (361/751) | 0.583 | 42.1% (16/38) | 39.3% (295/751) | 0.728 |
  8 cells | 47.9% (34/71) | 47.5% (289/608) | 0.955 | 43.7% (31/71) | 38.7% (235/608) | 0.413 |
  9 cells | 50.0% (11/22) | 47.7% (41/86) | 0.846 | 36.4% (8/22) | 44.2% (38/86) | 0.508 |
   ≥ 10 cells | 49.2% (29/59) | 51.2% (64/125) | 0.795 | 35.6% (21/59) | 44.0% (55/125) | 0.280 |