Full Terms & Conditions of access and use can be found at http://www.tandfonline.com/action/journalInformation?journalCode=iejc20 The European Journal of Contraception & Reproductive Health Care ISSN: 1362-5187 (Print) 1473-0782 (Online) Journal homepage: http://www.tandfonline.com/loi/iejc20 Effects of combined oral contraceptives on the clinical and biochemical parameters of hyperandrogenism in patients with polycystic ovary syndrome: a systematic review and meta- analysis Mina Amiri, Ali Kabir, Fatemeh Nahidi, Maryam Shekofteh & Fahimeh Ramezani Tehrani To cite this article: Mina Amiri, Ali Kabir, Fatemeh Nahidi, Maryam Shekofteh & Fahimeh Ramezani Tehrani (2018): Effects of combined oral contraceptives on the clinical and biochemical parameters of hyperandrogenism in patients with polycystic ovary syndrome: a systematic review and meta-analysis, The European Journal of Contraception & Reproductive Health Care, DOI: 10.1080/13625187.2018.1435779 To link to this article: https://doi.org/10.1080/13625187.2018.1435779 Published online: 19 Feb 2018. Submit your article to this journal View related articles View Crossmark data