Luteal phase spotting calculator
What is the probability of pregnancy based on recent spotting
The average probability of pregnancy for a healthy trying-to-conceive couple is around 20% each cycle.
Use this calculator to see how the spotting you experience increases or decreases your odds of being pregnant.
*Results are based on the analysis of compiled symptom data that has been contributed by our users on this site.
See the full study: Spotting during the luteal phase and the effect on the probability of pregnancy