1. Are you currently using hormonal contraceptive (i.e. birth control pills, the patch, NuvaRing, etc.)? Yes No
2. Do you exercise 3 or more times per week? Yes No
3. Do you smoke? Yes No
4. Are you pregnant, breastfeeding, or planning to become pregnant over the next 6 months? Yes No
5. Do you drink alcohol? Yes No a. If so, how many alcoholic drinks do you have in one week? 7 or less more than 7
6. Are you a woman, age 18- 30 years? Yes No