[Lotus]

It's possible (looking at your program) that what you experienced was a surge (flare) in testosterone via inhibition of the feedback loop from Lutenizing Hormone, this process is usually seen in an Hrt therapy called GnRH gonadotropin-releasing hormone therapy, usually within the first 45 days.

Gonadotropins: Luteinizing and Follicle Stimulating Hormones
http://www.vivo.colostate.edu/hbooks/pathphys/endocrine/hypopit/lhfsh.html