| Value | Category |
|---|---|
| 1 | Pill |
| 2 | IUD |
| 3 | Injections |
| 4 | Condom |
| 5 | Female Sterilization |
| 6 | Male Sterilization |
| 7 | Periodic Abstinence |
| 8 | Mucus, billings, ovulation |
| 9 | Basal body temperature |
| 10 | Symptothermal |
| 11 | Lactational amenorrhea |
| 12 | Breastfeeding |
| 13 | Withdrawal |
| 14 | Other1 |
| 15 | Other2 |
| 16 | Herbal medicines |