Do you think maybe this has something to do with lack of mandated sexual education (other than thumping on abstinence)?<p>There's also Colordo's experience with IUDs: <a href="https://www.denverpost.com/2017/11/30/colorado-teen-pregnancy-abortion-rates-drop-free-low-cost-iud/" rel="nofollow">https://www.denverpost.com/2017/11/30/colorado-teen-pregnanc...</a><p>This is the kind of birth control that we as a people seem to want to ban, though: <a href="https://bust.com/feminism/14138-colorado-is-shutting-down-award-winning-iud-program-for-a-really-stupid-reason.html" rel="nofollow">https://bust.com/feminism/14138-colorado-is-shutting-down-aw...</a>
Also, 19% of pregnancies (excluding miscarriages) in 2014 ended in abortion. Approximately 926,200 abortions were performed in 2014, down 12% from 1.06 million in 2011.