I don't know why your bottleneck at Androstenedione but I can tell you from your labs you have a pituitary problem your Secondary and need an MRI to rule out a tumor don't panic it is rare to be cancer. If you don't have a tumor your pituitary can be bad from other things mine is bad do to a Head injury.
When you have low T and low LH and FSH with good levels of E2 and you not that high above this range. Then your Secondary and you need to have all the hormones that the pituitary controls checked. Look at this link and run labs you have not had done.
realthyroidhelp.com • View topic - Labs we men need done.
And in this link are some good FAQ's that are full of good info.
realthyroidhelp.com • View topic - «:::F:::» «:::A:::» «:::Q:::» «:::S:::»