hypogonadism; infertility; hormone stimulation

  1. madman

    Optimal recovery of spermatogenesis with hCG/FSH reboot therapy in infertile men with a history of testosterone use

    Nelson's house! Mix of therapeutic T doses and does of T used/abused for the sole purpose of muscle enhancement! Protocol was compounded purified preparations of hCG/FSH (3000 IU hCG + 75 IU of FSH) injected subcutaneously 3X/week (M/W/F)! * We stratified the entire cohort into two groups...
  2. madman

    Administration of hormones in infertile males: Indications, the EAU Guidelines, and expectations

    Organised by the European School of Urology and the EAU Section of Andrological Urology , this recording centres on hormone treatment in infertile men which is a challenging issue as the treatment can have both beneficial and harmful effects. Spermatogenesis is under hormonal regulation...
  3. madman

    Beneficial effects of FSH treatment in subpopulations of infertile men with eugonadotropic or HH - Fact or Fiction?

    Organised by the European School of Urology and the EAU Section of Andrological Urology , this recording centres on hormone treatment in infertile men which is a challenging issue as the treatment can have both beneficial and harmful effects. Spermatogenesis is under hormonal regulation...
  4. madman

    Hormonal treatment in infertile men with hypogonadotropic hypogonadism

    Organised by the European School of Urology and the EAU Section of Andrological Urology , this recording centres on hormone treatment in infertile men which is a challenging issue as the treatment can have both beneficial and harmful effects. Spermatogenesis is under hormonal regulation...
  5. madman

    Hypogonadism and fertility

    Fertility Considerations in Hypogonadal Men (2022) Nikoleta Papanikolaou, MBBS, MRCP, Rong Luo, MBBS, Channa N. Jayasena, MA, Ph.D., MRCP, FRCPath* INTRODUCTION Male factors are increasingly recognized to be a causative or contributory factor in approximately 50% of infertile couples.1,2...
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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