Many women wonder that if they get their tubes tied, will it completely prevent the risk of pregnancy. For the most part, yes. Getting your tubes tied is supposed to prevent the egg and the sperm from being able to combine by keeping them separate. But there is about a 1% chance that these methods could fail and you could still get pregnant. There are four methods of getting your tubes tied. Banded This procedure is done by bending your fallopian tube and tying it off with a band.