| Aktiva substanser | Betyg | Bibliogr. | Expandera | |
|---|---|---|---|---|
| 1 | Levonorgestrel | 100 | + | |
| 2 | Norgestrel | 29 | + | |
| 3 | Silikonelastomerer | 22 | + | |
| 4 | Progesteronsläktingar | 10 | + | |
| 5 | Koppar | 8 | + | |
| 6 | Medroxyprogesterone Acetate | 6 | + | |
| 7 | Progesteron | 5 | + | |
| 8 | 5 | + | ||
| 9 | Makrofagmigrationshämmande faktorer | 1 | + |