Always ask your doctor for their recommendation. Wish they'd do a better job of going over things like this. The recommendation is to wait 4 to 6 weeks. I'd give it two more weeks to make sure if I were you. https://www.nhsinform.scot/tests-and-treatments/surgical-procedures/transurethral-resection-of-the-prostate-turp
I was told after procedure when u cum there will be no ejaculate. Dry orgasms. Let me know how you do.