As long as you had no pre-existing fertility problems when you started TRT, you should be fine regaining your fertility with HCG, and if necessary HMG or FSH.
Many men have best results if they come off test, and use HCG and HMG/FSH to regain fertility. Other men like me stayed on test the whole time, added in HCG and HMG, and still regained fertility, even after many years on test. You can look at Larry Lipschultz's work at Baylor for a lot of info on regaining fertility for men on test with HCG.
I've been on testosterone and many other anabolic steroids for over 28 years now, and when my wife and I got married in October of 2017 and decided we wanted our own child, I had a zero sperm count. But I added in HCG, and later on HMG and FSH, and over the course of eleven months, by the time we did our IVF procedure my sperm count was up to 31 million. My sperm fertilized 17 of my wife's 20 viable eggs, 3 survived to the 5-day blastocyst phase, and one became our beautiful baby girl, who is happy, healthy, and doing well.
If it worked for me, after 28 years on test, it can work for just about anybody, as long as you had no pre-existing fertility issues before you started.
I have gyno and estrogen issues if I use too much HCG, so I had to keep my HCG fairly low at 500iu every other day. What worked best for me was:
200mg test per week (or whatever your TRT amount is)
500iu HCG every other day
30-60iu HMG or FSH every day, although most studies use 75-150iu every other day
You can look at the following study for ideas for you and your doctor to consider:
The use of testosterone replacement therapy (TRT) for hypogonadism continues to rise, particularly in younger men who may wish to remain fertile. Concurrently, awareness of a more pervasive use of anabolic-androgenic steroids (AAS) within the ...
www.ncbi.nlm.nih.gov
Best wishes, and I hope everything works out for you as well as it did for me.
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