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  1. B

    pre-diagnosis blood test results; elevated PSA

    Some more details: 39 y.o., 6'1" 215# lift 3-4 times per week, powerlifting like program, no problem putting on muscle or making gains ED and starting to lose libido chronically fatigued starting to lose motivation (work around the house, lifting, etc.) irritable/moody
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    pre-diagnosis blood test results; elevated PSA

    First went to a PCP due to ED (instances of failure to achieve, and also failure to maintain). Also mentioned chronic fatigue and horrible sleep. First Results PCP said all was good since TT was in normal range. Started process with Defy. New Results How concerned should I be with elevated...
  3. B

    pre-diagnosis blood test results; elevated PSA

    This is my fourth post. Please check post below for details.
  4. B

    Wrong Estradiol assay. How big of a deal?

    I will post results when they all come in. E2 was one of the first results reported. I do have symptoms: ED (both difficulty achieving and losing it during sex). Also chronic fatigue and lack of motivation. I have joint clicks and pops, but I can live with that.
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    Wrong Estradiol assay. How big of a deal?

    Thanks. I just sent an email to Chelsea, she has been pretty responsive to questions. Also, my results are low 7.2 pg/mL (7.6-42.6). From my brief reading on this topic, it seems the biggest problem with the regular E2 test is over-estimating estradiol.
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    Wrong Estradiol assay. How big of a deal?

    Hello - new guy here. Currently going through new patient on-boarding activities for Defy Medical. I had a physical performed by a PA, and I had him enter the blood test Rx from Defy. When I got to the lab, I noticed that the regular Estradiol test was listed. Apparently the PA entered it as...
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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