coital frequency

Coital frequency and condom use in age-disparate partnerships involving women aged 15 to 24: evidence from a cross-sectional study in KwaZulu-Natal, South Africa
Gavin George, Brendan Maughan-Brown, Sean Beckett, Meredith Evans, Cherie Cawood, David Khanyile, Kaymarlin Govender, Ayesha BM Kharsany

BMJ Open Mar 2019, 9 (3) e024362; DOI: 10.1136/bmjopen-2018-024362

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coital frequency