After years of trying, me and the missus were lucky enough to give birth to twin boys (well, the wife - not me, that would make my eyes water!!) four months ago - and via IVF too on the seconed attempt.
Any-who, a nurse started talking to us about birth control before we left the maternity ward - at which we said not a problem due to fertility snags etc - she said that many couples had become preg again not long after a birth naturally as the body changes a lot post preg etc. The missus then looked at me and said "your turn for discomfort then!"
Long story short - i had the snip last Monday - and to be fair - no problems at all, no pain, no swelling and just a little bruising. I heard loads of nasty stories from the lads at work and other friends so was propper poopping myself. Apparently now they do it slightly different which doesn't cause so many issues - no stitches etc.
So if you're thinking about it - go for it - if only for the sensation of someone tickling under your ribs!!