Stress fracture and premenstrual syndrome in Japanese adolescent athletes: a cross-sectional study.

Objectives: To investigate the relationship between the occurrence of stress fracture and premenstrual syndrome (PMS)/premenstrual dysphoric disorder (PMDD) in Japanese adolescent athletes.

Design: Cross-sectional study.

Setting: Osaka, Japan.

Fish Consumption and Premenstrual Syndrome and Dysphoric Disorder in Japanese Collegiate Athletes.

Study Objective: To determine the specific characteristics of premenstrual syndrome (PMS)/premenstrual dysphoric disorder (PMDD) in Japanese collegiate athletes, with a focus on their fish consumption.

Design: Cross-sectional study.

Setting: A university in Osaka, the largest city in western Japan.