| Low energy availability |
Complete blood count |
|
Comprehensive metabolic panel |
|
Phosphorus |
|
Magnesium |
| Menstrual dysfunction |
Urine human chorionic gonadotropin |
|
Follicle-stimulating hormone |
|
Thyroid-stimulating hormone and free thyroxine |
|
Prolactin |
|
If suspect hyperandrogenism: |
|
Luteinizing hormone (to assess luteinizing hormone:follicle-stimulating hormone ratio) |
|
Total testosterone |
|
Sex hormone binding globulin |
|
Dehydroepiandrosterone sulfate |
|
17-hydroxyprogesterone |
|
To confirm estrogen status: |
|
Progesterone challenge |
| Low bone mineral density |
Dual-energy x-ray absorptiometry |
