Low testosterone

So my bf and I are TTC going on 3 months now. I'm 36, so I'm getting up there in age. I told my ob/gyn about my age concerns so they run bloodwork to check my hormone levels. According to his nurse, I have low testosterone. I'm assuming this is the culprit of my constant fatigue. Has anyone else experienced low testosterone when they were trying to conceive? Did they give you anything to balance out your low testosterone?