Recent content by drbenway

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    3 Month Bloodwork - concerns

    I'm a lowish SHBG guy (~19 ref range 19.3-76.4) - started on gels with an endo with limited success and switched to Defy in April. Dr Saya's protocol is subq 44 mg of TestC + 300 IU of HCG 3x/week. Before starting BP normal ~120/83 hematocrit 47.5 (37.5-51.0) Hemoglobin 16.0 (12.6-17.7) PSA...
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    Blood Test Questions - Estrone Levels High

    2 packets of Androgel for a total of 81mg of T - all done per instructions. When I was on 40.5mg, my total T was 180. Endo says "Total T doesn't matter, BAT is good and that's all that matters. Come back in 6 months"
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    Blood Test Questions - Estrone Levels High

    Thanks for the reply. I have no idea why he ordered the Estrone, nor do I understand whether I should be concerned with the level. Insurance paid for tests... Weirdly he did order the sensitive test before starting TRT in November. The regular Estradiol test was 15.4 pg/mL Estradiol, Free...
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    Blood Test Questions - Estrone Levels High

    52 yo male 6'0" 246lbs Started TRT in Early Nov (Total T of 182/Bio Av Test "normal at 109 ng/dL) My Endo tests Estradiol and Estrone - the former is consistently (over 3 labs) <20 pg/ml and the latter has been persistently > 170 pg/ml) SHBG is low (likely insulin resistance) Take 40mg...
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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