Progestogen-only pill
Progestogen-only pills (POPs), colloquially known as "mini pills", are a type of oral contraceptive that contain synthetic progestogens (progestins) and do not contain estrogens. They are primarily used for the prevention of undesired pregnancy, although additional medical uses also exist.
| Progestogen-only pill | |
|---|---|
| Background | |
| Type | Hormonal |
| First use | 1968 |
| Failure rates (first year) | |
| Perfect use | 0.3% |
| Typical use | 9% |
| Usage | |
| Duration effect | 1 day |
| Reversibility | Yes |
| User reminders | Taken within same 3-hour window each day |
| Clinic review | 6 months |
| Advantages and disadvantages | |
| STI protection | No |
| Weight | No proven effect |
| Period disadvantages | Light spotting may be irregular |
| Period advantages | Often lighter and less painful |
| Medical notes | |
| Unaffected by being on most (but not all) antibiotics. May be used, unlike COCPs, in patients with hypertension and history of migraines. Affected by some anti-epileptics. | |
Progestogen-only pills differ from combined oral contraceptive pills (COCPs), which instead consist of a combination of synthetic estrogens and progestin hormones.
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