Anogenital distance is a marker for endocrine disruption in animal studies in which decreased distance has been associated with testicular dysfunction. In this study we investigated whether anogenital distance was associated with reproductive hormone levels in adult men.
Eisenberg, M. L., Jensen, T. K., Walters, R. C., Skakkebaek, N. E., & Lipshultz, L. I. (2012). The relationship between anogenital distance and reproductive hormone levels in adult men. Journal of Urology, 187(2), 594-8. https://doi.org/10.1016/j.juro.2011.10.041