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Frequency of contraindications to progestin-only pills according to source of pills at baseline in the Prospective Study of OC Users (n=1,046)
| Clinic | OTC | |||
|---|---|---|---|---|
| n | (%) | n | (%) | |
| Current use of medications for TB or seizure | 1 | (0.2) | 1 | (0.2) |
| Current liver disease or history of liver cancer | 0 | (0.0) | 3 | (0.6) |
| History of or current breast cancer | 0 | (0.0) | 1 | (0.2) |
| Any contraindication | 1 | (0.2) | 5 | (1.0) |
TB = Tuberculosis
