Alcohol content???????

I'm working on a peach wheat. I went through primary fermentation for about 2 weeks. My OG was 1.052 and my FG was 1.014. I added 5 pounds of peaches to the secondary and right now I'm in the process of letting that ferment. My question is how am I going to test the alcohol content of the beer? I don't know what my addition of peaches will do to change it? Are there any measurements I should have taken after I added the peaches? I just want to know for future reference because I plan on making a banana bread wiezen next and would like an idea of where its going to come out. Any thoughts?

uh good question, i feel safe saying itll be high!..5lbs is quite a bit..
we need a pro on this one

USDA says that 5lbs of raw peaches have ~190g or 6.7oz of sugar, so that should get you pretty close to your max.

http://www.nal.usda.gov/fnic/foodcomp/search/

that'd probably be a point or two, so just add a few points to the OG and figure it out again.