What's the oldest method of birth control?

<p><a href="http://www.pbs.org/wgbh/amex/pill/peopleevents/e_options.html">According to PBS</a>, the withdrawal method (a.k.a. pulling out) dates all the way back to the Bible&rsquo;s book of Genesis. Today, <a href="/articles-and-videos/pull-out-all-the-stops-doubling-up-with-withdrawal">the best studies suggest</a> that the majority of people in the U.S. have used withdrawal for birth control at least once in their lives.</p>