1. Year of birth

2. Height [cm]

3. Body weight [kg]

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

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

6. Does participation in milongas disturb the rhythm of your next 24 h? 1—YES, 2—NO

7. If you answered YES to the previous question, please indicate how your daily rhythm is disturbed (you can choose several answers):

inability to focus

extreme fatigue, drowsiness

appetite and gastrointestinal disorders

bad mood

confusion

irritability and depressed mood

headache

difficulty falling asleep and staying asleep

nonrestorative sleep

8. How many marathons / festivals have you participated in so far?

9. For how many marathons and festivals in which you participated did you have to travel to another city, country/continent?

10. Not counting those which were part of festivals, how many workshops have you participated in?

11. Enter the duration of such workshops in hours.

12. Do you take breaks from the intensity of tango dancing? 1—YES, 2—NO

13. Are you menstruating? 1—YES, 2—NO

14. If NO, what is the reason?

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

16. Are your monthly cycles regular, that is, every month? 1 -YES, 2—NO

How often do you menstruate?

1—every 24 days,

2—25–31 days,

3—over 31 days

17. How many days EXACTLY does your period last?

18. How many regular monthly cycles have you had in the last calendar year?

19. Are you periods painful?

1—painless

2—painful at the beginning

3—painful during the whole time

20. Please rate the degree of pain you feel during your period on a scale from 0 to 10 (0- no pain, 10—maximum pain)

21. Have you ever missed your period for a long time after a period of regular bleeding? How long did it last?

1—less than 3 months,

2—between 3 and 6 months,

3—over 6 months,

4—there has never been such a situation

22. Do you have spotting between periods? 1—YES, 2—NO

23. Please describe briefly, if and how Argentine tango dancing has influenced your life?