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  1. M

    Review of Dr. Michael Rotman - Urologist in Long Island & Manhattan NY

    I feel I should post a reply to my own comment to let anyone interested know the latest. No one replied to my post, but the Dr actually DM'd and asked me to contact him privately. I did and he was a great listener. (The woman is his physician assistant, i wish someone had just told me that.) But...
  2. M

    Review of Dr. Michael Rotman - Urologist in Long Island & Manhattan NY

    Wondering if anyone has had any experience with him since this 2020 post. Started seeing him in Jan. Nice guy but it's now 4 appts later, and I've seen him once, for maybe 5 minutes. Treatment is helping but definitely could be better. I make an appt but always get a nurse and never him. I'm...
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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