Research by the Cochrane Library Review in the USA, India and China indicates that increased availability of the morning after pill has pushed up its use but has had no notewothy effect on either unwanted pregnancies or abortions. This would seem to indicate that it has increased promiscuity.Yet of course, our morals-free government wants these morally ambivalent pills handed out like Smarties in our schools.
It does of course have an occasional unpublicised side effect - DEATH. [See 2nd link.]
Links: http://www.dailymail.co.uk/pages/live/articles/health/womenfamily.html?in_article_id=13548&in_page_id=1799
http://www.dailymail.co.uk/pages/live/articles/news/news.html?in_article_id=13100&in_page_id=1770
