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Wang C, Meriggiola MC, Amory JK, Barratt CLR, Behre HM, Bremner WJ, Ferlin A, Honig S, Kopa Z, Lo K, Nieschlag E, Page ST, Sandlow J, Sitruk-Ware R, Swerdloff RS, Wu FCW, Goulis DG. Practice and development of male contraception: European Academy of Andrology and American Society of Andrology guidelines. Andrology 2024; 12:1470-1500. [PMID: 37727884 DOI: 10.1111/andr.13525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Accepted: 08/31/2023] [Indexed: 09/21/2023]
Abstract
BACKGROUNDS Despite a wide spectrum of contraceptive methods for women, the unintended pregnancy rate remains high (45% in the US), with 50% resulting in abortion. Currently, 20% of global contraceptive use is male-directed, with a wide variation among countries due to limited availability and lack of efficacy. Worldwide studies indicate that >50% of men would opt to use a reversible method, and 90% of women would rely on their partner to use a contraceptive. Additional reasons for novel male contraceptive methods to be available include the increased life expectancy, sharing the reproductive risks among partners, social issues, the lack of pharma industry involvement and the lack of opinion makers advocating for male contraception. AIM The present guidelines aim to review the status regarding male contraception, the current state of the art to support the clinical practice, recommend minimal requirements for new male contraceptive development and provide and grade updated, evidence-based recommendations from the European Society of Andrology (EAA) and the American Society of Andrology (ASA). METHODS An expert panel of academicians appointed by the EAA and the ASA generated a consensus guideline according to the GRADE (Grading of Recommendations, Assessment, Development and Evaluation) system. RESULTS Sixty evidence-based and graded recommendations were produced on couple-centered communication, behaviors, barrier methods, semen analysis and contraceptive efficacy, physical agents, surgical methods, actions before initiating male contraception, hormonal methods, non-hormonal methods, vaccines, and social and ethical considerations. CONCLUSION As gender roles transform and gender equity is established in relationships, the male contribution to family planning must be facilitated. Efficient and safe male-directed methods must be evaluated and introduced into clinical practice, preferably reversible, either hormonal or non-hormonal. From a future perspective, identifying new hormonal combinations, suitable testicular targets, and emerging vas occlusion methods will produce novel molecules and products for male contraception.
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Affiliation(s)
- Christina Wang
- Division of Endocrinology, Department of Medicine and Clinical and Translational Science Institute, The Lundquist Insitute and Harbor-UCLA Medical Center, Torrance, California, USA
| | - Maria Cristina Meriggiola
- Division of Gynecology and Human Reproduction Physiopathology, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy
| | - John K Amory
- Department of Medicine, University of Washington School of Medicine, Seattle, Washington, USA
| | - Christopher L R Barratt
- Division of Systems and Cellular Medicine, Medical School, Ninewells Hospital, University of Dundee, Dundee, Scotland
| | - Hermann M Behre
- Center for Reproductive Medicine and Andrology, University Medicine Halle, Halle, Germany
| | - William J Bremner
- Department of Medicine, University of Washington School of Medicine, Seattle, Washington, USA
| | - Alberto Ferlin
- Unit of Andrology and Reproductive Medicine, Department of Medicine, University of Padova, Padova, Italy
| | - Stanton Honig
- Division of Reproductive and Sexual Medicine, Department of Urology, Yale University School of Medicine, New Haven, Connecticut, USA
| | - Zsolt Kopa
- Department of Urology, Andrology Centre, Semmelweis University, Budapest, Hungary
| | - Kirk Lo
- Division of Urology, Department of Surgery, University of Toronto, Toronto, Canada
| | - Eberhard Nieschlag
- Center of Reproductive Medicine and Andrology, University Hospital, Münster, Germany
| | - Stephanie T Page
- Division of Metabolism, Endocrinology and Nutrition, UW Medicine Diabetes Institute, University of Washington School of Medicine, Seattle, Washington, USA
| | - Jay Sandlow
- Department of Urology, Medical College of Wisconsin, Milwaukee, Wisconsin, USA
| | - Regine Sitruk-Ware
- Center for Biomedical Research, Population Council, New York, New York, USA
| | - Ronald S Swerdloff
- Division of Endocrinology, Department of Medicine, The Lundquist Institute and Harbor-UCLA Medical Center, Torrance, California, USA
| | - Frederick C W Wu
- Division of Endocrinology, Diabetes and Gastroenterology, Faculty of Biology, Medicine and Health, School of Medical Sciences, University of Manchester, Manchester, UK
| | - Dimitrios G Goulis
- First Department of Obstetrics and Gynecology, Unit of Reproductive Endocrinology, Medical School, Aristotle University of Thessaloniki, Thessaloniki, Greece
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