Age of menarche in rhythmic gymnasts, artistic gymnasts, ballet dancers, track and field athletes, and non-athletes
| Subjects | Age at menarche | Source |
|---|---|---|
| Values are means or means (SD). | ||
| *p<0.05, reported difference between athletes and controls. | ||
| Athletes | ||
| Rhythmic gymnasts (Canada, n = 30) | 13.6 (1.2)* | This study |
| Rhythmic gymnasts (Greece, n = 15) | 14.2 (0.3)* | This study |
| Artistic gymnasts (n = 22) | 14.5 (1.4)* | Lindholm et al17 |
| Track and field athletes (n = 66) | 13.6 (0.2)* | Malina et al28 |
| Swimmers (n = 69) | 13.8 (0.2)* | Constantini & Warren29 |
| Artistic gymnasts (n = 20) | 14.2 | Calabrese30 |
| Ballet dancers (n = 25) | 14.3 | Calabrese et al31 |
| Ballet dancers (n = 97) | 13.5* | Pigeon et al32 |
| 7 Sports (mixture of athletes; n = 109) | 13.8 (1.5) | Malina et al33 |
| Non-athletic girls | ||
| Canada (n = 40) | 12.3 (0.8) | This study |
| Greece (n = 38) | 12.8 (0.9) | This study |
| Sweden (n = 22) | 13.2 (0.9) | Lindholm et al17 |
| United States (n = 30) | 12.2 (1.6) | Malina et al28 |
| Israel (n = 279) | 13.0 (0.1) | Constantini & Warren29 |
| France (n = 30) | 12.0 | Pigeon et al32 |