Table 1 Means ± SEM of day of vaginal opening and first vaginal estrus in untreated animal, sham operated and ULO rats treated at 28 or 32 days of age.
Group | N | Age of treatment | In situ ovary | Vaginal opening | First vaginal estrus |
|---|---|---|---|---|---|
Untreated | 15 | Both | 35.8 ± 0.5 | 36.7 ± 0.6 | |
Sham | 13 | 28 days | Both | 38.7 ± 0.8* | 40.1 ± 0.9* |
ULO | 10 | 28 days | Left | 38.7 ± 0.7 | 40.5 ± 1.1 |
ULO | 13 | 28 days | Right | 39.8 ± 0.3 | 41.8 ± 0.6 |
Sham | 8 | 32 days | Both | 38.2 ± 0.5* | 40.7 ± 1.1* |
ULO | 9 | 32 days | Left | 39.2 ± 0.7 | 41.0 ± 0.9 |
ULO | 16 | 32 days | Right | 38.6 ± 0.6 | 39.9 ± 0.6 |