Percent of Pregnancy Change?

Question

My highest % of pregnancy on my most fertile day used to be (for the last year) 16.3%. It's now changed to 14.2%???

Answer

My most fertile day says 32% I didn't know it changed for person.

Answer

As we get older our chances get lower:( i was at 33% and now I think it's 27%.

Answer

I'm 19 and mines 33%

Answer

My highest 31.6. I think it is age, drinking, smoking, and your activity level they take into account for our percentages.

Answer

That seems low. My most fertile day said it was 31.8%.