作者调查了两组共100名20～30岁的女长跑运动员的月经和运动史。两组间年龄、身高、体重、初潮等均无明显差异。其中系统训练组61名,间断训练组39名,间断训练的主要原因是外伤,占37名。间断训练组月经紊乱的发生率大大高于系统训 The authors investigated the history of menstruation and exercise of 100 female long-distance runners aged 20-30 years in both groups. There was no significant difference in age, height, weight, and menarche between the two groups. Among them, 61 were in the system training group and 39 in the intermittent training group. The main reason for intermittent training was trauma, accounting for 37. Intermittent training group, the incidence of menstrual disorders is much higher than the system training