I'm a researcher, too, for a living, as well as a hobby (about PCa).
Yes, this leakage is normal. Indeed, the doctors and scientists have a term for it that they use in their research articles, climacturia!
Emptying your bladder as completely as you can is sound advice. You might also try a condom to collect any residual urine. I know this doesn't sound sexy or spontaneous, but it may come to a choice of what is the greater mood killer, a raincoat or being left out in the rain.
All the best,
PSA (10/04): 2.9; PSA (2/06):4.4, on Androgel (serum T about 450) at age 56; negative DRE, no symptoms.
PSA (5/06):5.7 with a free PSA% of 8, OFF Androgel (serum T 163).
Biopsy (5/06): 4/12 samples positive; postitive samples only on right side; max Gleason 4+3=7 (in 2 of the 4 -from area nearest bladder.
DaVinci robotic-assisted laparoscopic radical prostatectomy + bladder lift + Right nerve plastic surgery (8/23/06).
Catheter out 4 weeks postop, due to internal pinhole leak at bladder-urethra junction.
Final pathology report:T2c-both sides,but in capsule; neg. margins, neg. lymph nodes, neg. seminal vesicles; final max Gleason still 4+3=7.
Follow-up PSA (11/06): <0.008; serum T: 195 OFF Androgel (at present).