Testosterone levels
Testosterone levels were measured twice before treatment; after 0, 2, and 7 days; and after 1, 2, 3, 6, and 12 months. In both the TU and TE groups, high mean values (i.e., 22.6 and 23.3 mmol/L) were reached 48 h after the first injection. Mean testosterone levels in the Pubertal Replacement in Boys Study: boys treated with Testoviron DepotTestosterone values in the patients in the Pubertal Replacement in Boys Study.