The chart below is intended to help couples find an NFP method that fits their needs. If you have questions, then please contact Jenny Ingles for more information.
| Billings Ovulation Method | Couple to Couple League | Creighton Model FertilityCare | |
| Effectivness Rate* | 99.5% | >99% | 99.5% |
| Can be used to Avoid Pregnancy | Yes | Yes |
Yes |
| Can be used to Achieve Pregnancy | Yes | Yes | Yes |
| Number of Biomarkers used | 1 | 2-3 | 1 |
| Can be used with irregular cycle lengths | Yes | Yes | Yes |
| Can be used with PCOS | Yes | No | Yes |
| Can be used with Infertility | No** | No | Yes |
| Can be used in Perimenopause | Yes | Yes | Yes |
| Can be used with Breastfeeding | Yes | Yes | Yes |
| Can be used by women who have irregular waking times | Yes | No | Yes |
| Can be learned Online | Yes | Yes | No |
| Average length of time before system mastery | 6 Hourst | 6 Hourst | 7 Hourst |
| Charting App available | Yes | Yes | No |
| Used by NaProTECHNOLOGY | No | No | Yes |
*The Effectiveness Rate for each method is the Theoretical Use Effectiveness Rate. For more information about how the effectiveness rate is determined for each method, click on the effectiveness rate in the box.
** Can be used with infertility that is caused by PCOS
t Training is broken up into sessions