Table 2.
Mean birthweight in each ovarian stimulation protocol
| Category | Cycle | N (%) | Birthweight |
|---|---|---|---|
| Natural | HRT | 9 (1.7) | 3201.3 ± 478.6 |
| OVL | 1 (0.2) | 2902.0 | |
| Clomiphene citrate | HRT | 10 (1.7) | 3056.3 ± 394.5 |
| OVL | 6 (1.2) | 3022.3 ± 544.5 | |
| Clomiphene citrate + gonadotropin | HRT | 102 (19.5) | 3160.9 ± 350.9 |
| OVL | 15 (2.9) | 3012.5 ± 228.3 | |
| GnRH agonist | HRT | 111 (21.2) | 3060.5 ± 350.8 |
| OVL | 39 (7.5) | 3022.9 ± 268.4 | |
| GnRH antagonist | HRT | 172 (32.9) | 3167.6 ± 393.5a |
| OVL | 56 (10.7) | 2973.7 ± 323.6b |
GnRH, gonadotropin‐releasing hormone; HRT, hormone replacement therapy; OVL, ovulatory.
Values are expressed as the mean ± standard deviation.
a vs b, P < .01.
Two cases in the HRT group who were undergoing other ovarian stimulation protocols are deleted from the table.