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| Estrogen Exposure Factor | Points |
|---|---|
| BME | |
| > 25 kg/m2 | +1 |
| > 30 kg/m2 | +2 |
| Nuliiparous | +2 |
| Menstruation | |
| > 30 yrs | +1 |
| > 35 yrs | +2 |
| Exogenous hormones | |
| > 10 yrs | +1 |
| > 15 yrs | +2 |
| > 20 yrs | +3 |
| History of breast cancer | +1 |
| History of ovarian cancer | +1 |
| History of breastfeeding | |
| > 24 months | -1 |
| Isoflavone ingestion | |
| > 5 serving per week | +1 |
