1. Year of birth

2. Height [cm]

3. Body weight [kg]

4. Are you menstruating? 1—YES, 2—NO

5. Are you currently using hormonal contraception? 1—YES, 2—NO

6. At what age did menstruation begin for you?

7. Are you periods painful? 1—Painless 2—Painful at the beginning 3—Painful during the whole time

8. How often do you menstruate? 1—Every 24 days, 2—25–31 days, 3—Over 31 days

9. Do you experience premenstrual syndrome (PMD) symptoms before your period? 1—YES, 2—NO

10. Do you experience any of the following symptoms before or during your period:

➢ Headache and dizziness 1—YES, 2—NO

➢ Pain in the lower abdomen 1—YES, 2—NO

➢ Diarrhoea 1—YES, 2—NO

➢ Nausea and vomiting 1—YES, 2—NO

➢ Irritability 1—YES, 2—NO

➢ Tearfulness and depressed state 1—YES, 2—NO

➢ Tenderness in breasts 1—YES, 2—NO

➢ Water retention in body 1—YES, 2—NO

➢ Skin problems 1—YES, 2—NO

➢ Fatigue 1—YES, 2—NO

➢ Joint pain 1—YES, 2—NO

➢ Pain in the lumbar spine 1—YES, 2—NO

11. How many days prior to bleeding do you experience PMD symptoms?

12. How many days after the commencement of menstrual bleeding do you experience symptoms of PMD?

Only for the group of Argentinian Tango dancers

13. How many years have you been dancing the tango?

14. How much time do you spend weekly dancing the tango [h]?

Only for the group of runners

13. How long have you been running for? [years]

14. What is the minimum distance you run? [km]

15. What is the maximum distance you run? [km]

16. What is the minimum number of times you run in a week?

17. What is the maximum number of times you run in a week?

18. What is the minimum number of hours for one run?

19. What is the maximum number of hours for one run?