fertility/spermatogenesis; tth/aas; hypogonadism

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  1. madman

    Male Infertility

    Amazing webinar! Watch as Boston Urology/Boston IVF reproductive endocrinologist Stephen Lazarou, MD, FACS presents his CME webinar on "Male Fertility." In this video, you will learn how to: * The male fertility evaluation * Recommended care for male factor fertility * Surgical...
  2. madman

    Primer- Male infertility

    Abstract Clinical infertility is the inability of a couple to conceive after 12 months of trying. Male factors are estimated to contribute to 30–50% of cases of infertility. Infertility or reduced fertility can result from testicular dysfunction, endocrinopathies, lifestyle factors (such as...
  3. madman

    Fertility Matters: A Conversation About Male Infertility

    https://open.spotify.com/episode/2HpL7ArGtCEV13qm5g035d
  4. A

    Fertility with HCG + SERM? HMG/rhFSH Impossible to get in Australia

    Hi all, Firstly, thanks to Nelson and all on the forum for sharing the breadth of your knowledge online, it's taught and helped me so much. I was hoping I could pick your brains about a specific fertility protocol used by Dr. Ramasamy (interviewed by Nelson on podcast). Mainly, it is HCG...
  5. madman

    Fertility maintenance or restoration in men before, during, and after TRT or AAS

    Fertility Preservation in Hypogonadal Men (2018) Robert J. Carrasquillo and Ranjith Ramasamy Introduction Testicular failure is defined as the impairment or loss of both the endocrine functions of the testis (production of testosterone, or T) and exocrine function (production of...
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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

Defy Medical TRT clinic

Beyond Testosterone Podcast

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