| Accelerated follicular atresia |
| Genetic defects |
| Turner syndrome |
| Fragile X premutations |
| X chromosome deletions and translocations |
| Galactosemia |
| Ovarian toxins |
| Chemotherapeutic drugs (especially alkylating agents) |
| Radiation |
| Mumps or cytomegalovirus infection |
| Autoimmune injury |
| Isolated or part of polyglandular autoimmune syndromes |
| Abnormal follicular stimulation |
| Intraovarian modulators |
| BMP15 |
| Steroidogenic enzyme defects |
| CYP17 deficiency, StAR mutation |
| Aromatase gene mutations |
| Gonadotropin receptor function |
| FSH receptor mutations |
| Gs alpha subunit gene mutations |
