A rare hermaphrodite or possibly they hit a pocket if it's an abscess. The pocket may make it seem more like probing a male.
I'm hoping you get some answers with the samples! Fingers crossed that it's something simple like a small infection or impaction.
I was at the vet with my furry menagerie today. The wait and Covid restrictions can be so frustrating. Glad you were able to get your baby in so quickly. 💜