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Intraductal hyperplasias are observed in BPS- and EE2-treated females in adulthood
| Treatment group | Number of females evaluated | Incidence of intraductal hyperplasia (%) | p-value, Chi Square compared to controls |
|---|---|---|---|
| Controls | 23 | 1/23 (4%) | |
| 2 μg BPS/kg/day | 16 | 8/16 (50%) | p<0.01 |
| 200 μg BPS/kg/day | 13 | 8/13 (62%) | p<0.01 |
| 0.01 μg EE2/kg/day | 16 | 9/16 (56%) | p<0.01 |
| 1 μg EE2/kg/day | 11 | 7/11 (64%) | p<0.01 |
