followup

  1. Mission

    Now with hCG, concerning bloodwork 7 months into TRT

    Hoping to get some advice about my latest labs and protocol. I’m not sure what changes would be best at this point. I’m not confident in my TRT office and am considering switching docs. Anyway brief background…. Initial protocol and 1st labs after 7 weeks on TRT led to this: Doing this twice...
  2. K

    Recommended followup bloodwork

    On TRT for 6 weeks now and my next bloodwork/followup with the endo is due in a few days. Calling my endo "inexperienced" when it comes to TRT would be a massive compliment, so I just wanted to check in with you guys ahead of time so that I'm getting the right labs. What should I get tested...
  3. Reason

    Help with Follow-Up Labs Cost and Alternatives

    I have my first follow-up consult with Defy and the labs they've requested are double the initial cost projection of $250, to about $500 so I'm looking for help figuring out my options. I've Kaiser in NorCal and they won't cover labs from outside network physicians. My primary didn't want to...
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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