fertility; sperm/semen analysis; diagnosis/testing

  1. madman

    Beyond the Semen Analysis: New Tests of Sperm Function

    Larry I. Lipshultz, MD, Professor of Urology and Chief of the Scott Department of Urology’s Division of Male Reproductive Medicine and Surgery at Baylor College of Medicine in Houston, Texas, critically examines the limitations of traditional semen analysis in evaluating male infertility and...
  2. madman

    Boosting male fertility

    https://www.bcm.edu/news/boosting-male-fertility Conversations around fertility are often centered around women. Infertility is not just an issue occurring among females; males also experience infertility. A Baylor College of Medicine urologist explains the factors affecting male fertility...
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

Back
Top