| Category | Description |
| 1 | A condition for which there is no restriction for the use of the contraceptive method. |
| 2 | A condition for which the advantages of using the method generally outweigh the theoretical or proven risks. |
| 3 | A condition for which the theoretical or proven risks usually outweigh the advantages of using the method. |
| 4 | A condition that represents an unacceptable health risk if the contraceptive method is used. |
