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  1. J

    How to Improve Sperm Quality, LH, FSH and Testosterone in Infertile Men

    Sides I’m keen to understand the HCG and Clomid treatment approach. Doesn’t HCG suppress LH secretion, while Clomid increases it, meaning they could be confusing the pituitary? In the same way that Test and Clomid don’t work together? I had a zero count after being on T along for a couple of...
  2. J

    How to Improve Sperm Quality, LH, FSH and Testosterone in Infertile Men

    Thanks Sides, I've been following your posts for time now and can't express enough gratitude to you for sharing your experience and insights. It really does give hope to the rest of us who are on TRT and concerned about fertility. I'm planning on starting a family early next year so I'm hoping...
  3. J

    How to Improve Sperm Quality, LH, FSH and Testosterone in Infertile Men

    Great info Nelson and Sides, I just wanted to clarify as I can’t see it stated anywhere. Are the gonadotrophins administered after stopping T injections or could I maintain T injections on the protocol?
  4. J

    Regaining Fertility; TRT+HCG+FSH

    For the guys that have managed to regain fertility, what were your testicle sizes before the fertility protocol and how big did they get when you conceived? Mine have shrunken quite a bit despite using HCG and am a bit anxious that this could hinder my fertility
  5. J

    Regaining Fertility; TRT+HCG+FSH

    Thanks to everyone sharing their experience in this thread, it’s been the most informative thread for TRT and Fertility I have found on the net so far. I’m from New Zealand where sourcing anything trt related is incredibly hard and expensive A couple of options I have done for those of you...
TRT Hormone Predictor Widget

TRT Hormone Predictor

Predict estradiol, DHT, and free testosterone levels based on total testosterone

⚠️ Medical Disclaimer

This tool provides predictions based on statistical models and should NOT replace professional medical advice. Always consult with your healthcare provider before making any changes to your TRT protocol.

ℹ️ Input Parameters

Normal range: 300-1000 ng/dL

Predicted Hormone Levels

Enter your total testosterone value to see predictions

Results will appear here after calculation

Understanding Your Hormones

Estradiol (E2)

A form of estrogen produced from testosterone. Important for bone health, mood, and libido. Too high can cause side effects; too low can affect well-being.

DHT

Dihydrotestosterone is a potent androgen derived from testosterone. Affects hair growth, prostate health, and masculinization effects.

Free Testosterone

The biologically active form of testosterone not bound to proteins. Directly available for cellular uptake and biological effects.

Scientific Reference

Lakshman KM, Kaplan B, Travison TG, Basaria S, Knapp PE, Singh AB, LaValley MP, Mazer NA, Bhasin S. The effects of injected testosterone dose and age on the conversion of testosterone to estradiol and dihydrotestosterone in young and older men. J Clin Endocrinol Metab. 2010 Aug;95(8):3955-64.

DOI: 10.1210/jc.2010-0102 | PMID: 20534765 | PMCID: PMC2913038

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