Effects of treatment with testosterone alone or in combination with estrogen on insulin sensitivity in postmenopausal women  Hong Zang, M.D., Kjell Carlström, Ph.D., Peter Arner, M.D., Ph.D., Angelica Lindén Hirschberg, M.D., Ph.D.  Fertility and Sterility  Volume 86, Issue 1, Pages 136-144 (July 2006) DOI: 10.1016/j.fertnstert.2005.12.039 Copyright © 2006 American Society for Reproductive Medicine Terms and Conditions

FIGURE 1 Concentrations of mean uptake of glucose at baseline and after 3 months of treatment with testosterone undecanoate (T group, n = 20), estradiol valerate (E group, n = 21), and the combined treatment (T+E group, n = 19). *P<.05 (significant difference from baseline); **P<.01 (significant difference from baseline). Zang. Effects of testosterone in women. Fertil Steril 2006. Fertility and Sterility 2006 86, 136-144DOI: (10.1016/j.fertnstert.2005.12.039) Copyright © 2006 American Society for Reproductive Medicine Terms and Conditions

FIGURE 2 Serum lipids of triglycerides (A), total cholesterol (B), HDL-cholesterol (C), and LDL-cholesterol (D) at baseline and after 3 months of treatment with testosterone undecanoate (T group, n = 20), estradiol valerate (E group, n = 21), and the combined treatment (T+E group, n = 19). **P<.01 (significant difference from baseline); ***P<.001 (significant difference from baseline). Conversion factors to SI units: triglyceride, 0.0113 (mmol/L); cholesterol, HDL-cholesterol, and LDL-cholesterol, 0.0259 (mmol/L). Zang. Effects of testosterone in women. Fertil Steril 2006. Fertility and Sterility 2006 86, 136-144DOI: (10.1016/j.fertnstert.2005.12.039) Copyright © 2006 American Society for Reproductive Medicine Terms and Conditions