Table 3 Summary of articles reviewed.
| Healthy premenopausal | Oligo/amenorrhoeic premenopausal | Anorexic premenopausal | Perimenopausal | |
|---|---|---|---|---|
| Positive effect | – | 2 RCTs | – | 1 RCT |
| 3 Cohort | 5 Cohort | – | 4 Cohort | |
| 7 X‐sectional | – | 2 X‐sectional | 3 X‐sectional | |
| Subtotal | 10 | 7 | 2 | 8 |
| No effect | 4 RCTs | 1 RCT | 3 RCTs | – |
| 9 Cohort | 1 Cohort | 1 Cohort | – | |
| 15 X‐sectional | – | – | 2 X‐sectional | |
| 1 Case series | – | 1 Case series | 1 Case series | |
| Subtotal | 29 | 2 | 5 | 3 |
| Negative effect | – | – | – | – |
| 4 Cohort | – | 1 Cohort | – | |
| 3 X‐sectional | – | – | – | |
| – | 1 Case report | – | – | |
| Subtotal | 7 | 1 | 1 | 0 |
| Total | 46 | 10 | 8 | 11 |
RCT, Randomised controlled trial; X‐sectional, cross sectional.