Fig. 1. Study enrollment and disposition of participants Fig. 1. Study enrollment and disposition of participants. a, Data on participants who failed screening were not collected. b, Ninety-seven participants who discontinued from the treatment period completed the follow-up visits of the recovery period. From: Multicenter Contraceptive Efficacy Trial of Injectable Testosterone Undecanoate in Chinese Men J Clin Endocrinol Metab. 2009;94(6):1910-1915. doi:10.1210/jc.2008-1846 J Clin Endocrinol Metab | Copyright © 2009 by The Endocrine Society
Fig. 2. The changes in sperm concentration with log scale during the study period. Values were expressed as the mean ± sem. C, S, E, and R indicate the control, suppression, efficacy, and recovery phases, respectively. From: Multicenter Contraceptive Efficacy Trial of Injectable Testosterone Undecanoate in Chinese Men J Clin Endocrinol Metab. 2009;94(6):1910-1915. doi:10.1210/jc.2008-1846 J Clin Endocrinol Metab | Copyright © 2009 by The Endocrine Society