Inclusion Criteria:

1. female

2. pre-menopausal with regular ovulatory cycles for 12 months prior to the study

3. willingness and ability to participate in study requiring alcohol consumption

4. in general good health

5. BMI of 18.5-35

6. on regular, unrestricted diet

7. not currently, or within the past 3 months, using oral contraceptives or other
hormone replacement therapy

Exclusion Criteria:

1. male

2. irregular menstrual cycles or vasomotor symptoms within the last 12 months

3. pregnant (or breast feeding)

4. any hormone therapy including phytoestrogens, oral contraceptives, SERMs, or
androgens (or precursors) for three months prior to the study

5. history of alcohol abuse

6. history of any estrogen-dependent neoplasia

7. high intake of dietary soy products

8. Minors < age 21 years