I would advise you to ask the Uro if he intends to numb the the prostrate prior to taking samples. I think the anesthetic shot is usually, but not always, done. If not, it will hurt like hell.,,,
ensure you're uro will be giving you a nerve block. I could never distinguish the (first) jabs for the anesthetic to the nerve plexus from the jabs for the cores themselves. Based on my (sad to say) not insignificant experience, I do think some docs are better at getting the anesthetic to the right place.