The WHO Contraception tool for family planning is a digital version of the MEC Wheel, which is a mechanical wheel used to determine the eligibility of women for family planning services. The tool contains the medical eligibility criteria for starting the use of these common types of contraceptive methods:

1. Combined pills

2. Combined contraceptive patch

3. Combined vaginal ring

4. Combined injectable contraceptives

5. Progestogen-only pills

6. Progestogen-only implants

7. Levonorgestrel-releasing intrauterine device (IUD)

8. Copper-bearing intrauterine device (IUD)

The tool also contains recommendations on how to use the MEC Wheel and how to interpret the results.