“…OC use could therefore potentially influence both a woman's initial partner choice (if she uses OCs during relationship formation) and changes in her subsequent satisfaction with that choice (if she subsequently discontinues or initiates OC use; Roberts et al, 2012). Furthermore, because women's attractiveness to men also varies with menstrual cycle phase and OC use (Cobey, Buunk, Pollet, Klipping, & Roberts, 2013;Haselton & Gildersleeve, 2011;Havlíček, Dvorakova, Bartos, & Flegr, 2006;Kuukasjärvi et al, 2004;Puts et al, 2013), men's relationship satisfaction might also be influenced by changes in their partners' OC use.…”