Methods/treatments to prevent pregnancy

For those that are done having kids, what did you do/use to prevent further pregnancy's?

    8Theresa Gould
    We mostly abstain. It's been four years, with a loss last year, but it's working.
    About Jennifer Lucas
    Current: San Mateo, California
    Birth: September 12
    On since: Apr 6, 2014
    I am a Christian, SAHM. We live in California. Married since 2011. Our Son (Benjamin) born in 2013.Daughter Audrey is due January 2016.,