Table 4.
Comparison of mean birthweight by embryo grade in pregnancies after frozen‐thawed blastocyst transfer
| Variable | Cycle | N (%) | Birthweight |
|---|---|---|---|
| ICM Grade | |||
| A | HRT | 140 (38.0) | 3088.7 ± 387.8a |
| Non‐A | 228 (62.0) | 3168.7 ± 376.6b | |
| A | OVL | 23 (26.4) | 2937.5 ± 253.3 |
| Non‐A | 64 (73.6) | 3036.0 ± 259.5 | |
| A | Total | 163 (35.8) | 3067.4 ± 374.9a |
| Non‐A | 292 (64.2) | 3139.6 ± 358.1b | |
| TE Grade | |||
| A | HRT | 148 (40.2) | 3156.4 ± 415.6 |
| Non‐A | 220 (59.8) | 3126.1 ± 358.8 | |
| A | OVL | 22 (25.3) | 3041.5 ± 216.1 |
| Non‐A | 65 (74.7) | 2999.2 ± 274.1 | |
| A | Total | 170 (37.4) | 3141.5 ± 396.9 |
| Non‐A | 285 (62.6) | 3097.1 ± 345.0 | |
HRT, Hormone replacement therapy; ICM, inner cell mass; OVL, ovulatory; TE, trophectoderm.
Values are expressed as the mean ± standard deviation.
a vs b; P < .05.