Thought so on the Estrogen test. Just remember estradiol and E2 are quite a bit different when tested. You could consider adding DIM and zinc to your supplement protocol to help with estrogen conversion.
SHBG is a protein in our blood that is responsible for transporting hormones (T & E) throughout our bodies. SHBG and Albumin bind testosterone thus preventing it from becoming Free (useful) which is what works for us. So, to much SHBG equals less free T. To little can be related to a host of other issues. Mid range is best.
Here's a good article on it:
Do You Know Your Sex Hormone Status? – Life Extension