This is a prospective observational study in patients undergoing surgery for benign prostatic hyperplasia (BPH). The purpose of the study is to investigate in great detail patients' recovery after surgery for BPH regarding pain, hematuria, urine leakage and use of pain-relieving medications for three months postoperatively. Patient-reported outcomes after three different surgical methods will be investigated: transurethral resection, transurethral vaporization and laser transurethral enucleation of the prostate (Green-LEP) Research questions: * How do patients rate their day-to-day pain during the first three months after surgery for BPH? How long does it take to be pain free? * How does the patient estimate any day-to-day burning sensation during the first three months after surgery for BPH? * How many painkilling tablets of a certain preparation and a certain strength take patients per day in the first three months after surgery for BPH? * How long do patients have urinary leakage after surgery for BPH? * Are the patients bothered by possible urine leakage and if so for how long after surgery for BPH? * How long does one have macroscopic hematuria after surgery for BPH? * How quickly are the patients' urinary tract problems affected according to the IPSS per month? * Are the results on the above outcome measures different between the three TUR-P methods, TUV-P and Green LEP?
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Change in postoperative pain levels
Timeframe: Day-by-day for three months