Table 4.
Live Birth Rate (LBR) after each FET cycle and Cumulative Live Birth Rate (CLBR) after each FET cycle of the studied groups according to the number of vitrified blastocysts.
| LBR after FET 1 | CLBR 1 | LBR after FET 2 | CLBR 2 | LBR after FET 3 | CLBR 3 | LBR after FET 4 | CLBR 4 | Total CLBR | |
|---|---|---|---|---|---|---|---|---|---|
| Group A (1–2 Blastos Frozen) (n = 50) |
20% (10/50) |
20% (10/50) |
0% (0/4) |
20% (10/50) |
N/A | N/A | N/A | N/A |
20% (10/50) |
| Group B (3–4 Blastos Frozen) (n = 46) |
56.5% (26/46) |
56.5% (26/46) |
14% (2/14) |
60.8% (28/46) |
100% (2/2) |
65.2% (30/46) |
N/A | N/A |
65.2% (30/46) |
| Group C (5–6 Blastos Frozen) (n = 48) |
50.0% (24/48) |
50.0% (24/48) |
30.7% (8/26) |
66.6% (32/48) |
50% (2/4) |
70.8% (34/48) |
N/A | N/A |
70.8% (34/48) |
| Group D (≥7 Blastos Frozen) (n = 100) |
62% (62/100) |
62% (62/100) |
64.7% (22/34) |
84% (84/100) |
33% (4/12) |
88% (88/100) |
0% (0/6) |
88% (88/100) |
88% (88/100) |
N/A, Not Applicable. The bold values represent the CLBR after each FET cycle.