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. 2019 Mar 14;10:2042018819834846. doi: 10.1177/2042018819834846

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© The Author(s), 2019

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (http://www.creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access pages (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 1. — Schematic representation of the male’s hypothalamic-pituitary-gonadal axis (left panel) and the hormonal contraception mechanism of action (right panel). FSH, follicle-stimulating hormone; GnRH, Gonadotropin Releasing Hormone; LH, luteinizing hormone.