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  1. L

    Primary or Seconday?

    My urologist doesn't want to incorporate it because he believes it causes more problems than it solves. I really don't want my already well below average testicles to atrophy, but after reading about the estradiol issues it can create, I see his point.
  2. L

    Primary or Seconday?

    Yeah, my urologist wants me tested and sperm frozen if I’m fertile, which he thinks I may not be with that FSH. E2 Sensitive: 19 SHGB: 28
  3. L

    Primary or Seconday?

    Thanks for the reply. I’ve never had a testicular injury.
  4. L

    Primary or Seconday?

    Hi everyone, I’ve recently been offered testosterone by my urologist. I’m 30 yo and concerned about future furtility. When I inquired about HCG/Clomid, he told me neither would be effective at raising me to optimal levels because I’m primary. Here are my initial lab results: Total...
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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