Billings ovulation method
| Billings ovulation method | |
|---|---|
| Background | |
| Type | Behavioral |
| First use | developed in 1950s |
| Failure rates (first year) | |
| Perfect use | 0.5–3% |
| Typical use | 1–22% |
| Usage | |
| Reversibility | immediate |
| User reminders | Accurate teaching and daily charting are essential. |
| Clinic review | None |
| Advantages and disadvantages | |
| STI protection | No |
| Period advantages | Prediction |
| Weight gain | No |
| Benefits | Low cost, no prerequisites for use, no side effects, can aid pregnancy achievement |
| Risks | Effectiveness is unclear |
The Billings ovulation method is a method in which women use their vaginal mucus to determine their fertility. It does not rely on the presence of ovulation, but identifies patterns of potential and obvious infertility within the cycle. Its effectiveness is not very clear.