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Hey manman, thank you for taking the time to respond.


This bloodwork was taken on day 2 (24 hours after injection) as I was trying to get the peak of my levels to find out if my estrogen was out of control during this period as normally I would get my bloodwork done on Day 4 (trough), when my next injection was due.


Although all previous blood (taken on trough) is in line with this, TT around 900, estrogen around 30 so I can't see it being significantly different


I do know the blood testing method used to get the Free T, there is no mention of it on the results print out, so would have to call the lab. Although at this point my main concern is getting control of the gyno, without crashing my estrogen.


I've got surgery booked to remove the gyno, but I would like to understand what is causing it.


Also in reguards to the Free T not being as low as stated, I've never been successful with TRT and don't feel particularly great on it. Yes better than before but I still have low libido, fatigue etc so it could line up and be a representative value.


Also I saw a video today [MEDIA=youtube]LGa7ZV7MvPA[/MEDIA] where it was said gyno can be caused in guys with low T and normal estrogen values because there is not enough androgens to couter-act the aromatising activity. Which sounds very similar to me. I wonder if I might have low DHT too


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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