Getting a cramp while swimming is the worst that could happen to us people. I think the best answer here is to relax, float and massage the cramped muscle because, if you try to keep swimming the muscle could tighten more and could get out of hand and could cause you to drown.
A. menstruation
menstruation happens because each month the body releases an egg. Hence why when youre pregnant you dont experience menstruation, because the egg is fertilized so will not be released
Have a doctor evaluate her for the use of a bed roll belt restraint.
