im 21 years old, and have had period pain so severe this year that it has landed me in hospital. this lead to me having a laproscopy to check for endometriosis about 5 months ago.
i only had a small biopsy removed, and this did not cause me very much pain at all. the bulk of my pain was caused by the gas they will pump into your abdomen in order to have a clearer vision of the organs inside. i have to admit, this was quite painful for me - it caused pain up to my neck and shoulders, but i was told this was all normal. (i really hope that hasnt scared you - everyone is different, but i just thought i'd warn you of the possibility, because when you've got pain in your neck caused by an operation on your stomach, you might get a bit confused/worried).
Im not a very big girl, so i was VERY bloated afterwards - my mum was laughing because she thought i looked 6 months pregnant.
you most likely will have a bit of bleeding for a day or two (i did), but its not too much.
the scarring is absolutely minimal as well - im not sure if you're concerned about that, but i was a bit, and im happy with the result.
i hope this helped. the advice from the posting before me seemed quite on the money also, from my experience.
good luck, and dont stress about it, it will all be over before you know it