&quot;Levine easily admits that 16 and Pregnant is unlikely to be the entire story. One data point his theory has trouble explaining is the steep decline in teen pregnancy rates between 2012 and 2013, long after the MTV shows&#x27; ratings had peaked.<p>&quot;The continuing, rapid decline is the part I find a little confusing,&quot; he said. &quot;The recession and the show get you a lot of the way through 2011 and 2012. But I was a bit surprised by the most recent, rapid decline in the 2013 data.&quot;<p><a href="http:&#x2F;&#x2F;www.vox.com&#x2F;2014&#x2F;8&#x2F;20&#x2F;5987845&#x2F;the-mystery-of-the-falling-teen-birth-rate" rel="nofollow">http:&#x2F;&#x2F;www.vox.com&#x2F;2014&#x2F;8&#x2F;20&#x2F;5987845&#x2F;the-mystery-of-the-fall...</a>