Dusek, Croatia, English, 2001(58)
Mean age of athletes 17.9+/- 2.1 non-athletes 17+/- 1.1The study involved female athletes from 3 Zagreb sports clubs as well as ballet dancers. The control group comprised of 3rd and 4th grade high school girls from the school of textile design in Zagreb who did not take part in any sport activity. None of the girls used Oral Contraceptives.
Painful menstruation (current)
Balbi C, 2000, English, Italy(59)
Students from a professional institute in Naples were included
Pain accompanying menstruation localized in the abdominal inferior quadrants and radiates to inner thigh