It sucked, but I went to my OB and with a smile asked for the "Infidelity Test Panel". Then I almost started crying. I was terrified, but it felt great to walk out with a clean bill of health. H's OW has had several A's, and even though H said they were safe (only had actual sex one time, whatever...), I wasn't taking any chances.
GOOD JOB on not saying anything to H about his car contents. Triggers like that hurt. And yes, get out of the house this time, be distracted!