Hypergamy: Difference between revisions

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==[Hypergamy] The top 5-20% of men are having more sex than ever before ==
==The top 5-20% of men are having more sex than ever before ==


Data was drawn from the 2002 and 2011–2013 National Survey of Family Growth, a US household survey focusing on sexual and reproductive health.<ref>Harper CR, Dittus PJ, Leichliter JS, Aral, SO. Changes in the Distribution of Sex Partners in the United States: 2002 to 2011–2013
Data was drawn from the 2002 and 2011–2013 National Survey of Family Growth, a US household survey focusing on sexual and reproductive health.<ref>Harper CR, Dittus PJ, Leichliter JS, Aral, SO. Changes in the Distribution of Sex Partners in the United States: 2002 to 2011–2013
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