If you're on your period, the school runs again in the morning recess and in the afternoon recess. There is jumping rope, what to tell the teacher?

If if you have your period, it just so happens that the school morning recess to run. In the afternoon and to jump God, these are strenuous exercise, you have menstruation, simply not suitable for strenuous exercise. Then encountered this phenomenon, we must say with the teacher, this is a normal physiological phenomenon, you can rest assured boldly alone and the teacher said, you said "teacher, my physiological period, the body is not suitable for a few days to do strenuous exercise", I believe that the teacher will understand you, promised you, will not let you do strenuous exercise.