......this may actually be sensible.  I don't know the failure rate on condoms or female birth control, but if she is having intercourse 20 times a month, which seems like it may be low if she is an escort, married and has a significant other, then we are talking 240 times a year.  There is apt to be a failure in there somewhere,

I would think most guys (ahem) in this hobby are at an age where they are snipped.  That is the frustrating part for me - went through the humiliation of getting snipped but now wearing condoms again (not that you lovely ladies aren't worth the sacrifice...).

yes, that is pretty surprising.  I hope that most if not all was from her husband.  Maybe she was being a bit risky?  I'd like to know if this type of thing is more common than we think.