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    Etiology: What do you think caused your low T (hypogonadism)?

    Hey everyone, I had a though and felt I'd ask everyone. What do you think caused your hypogonadism? I was thinking about my etiology and realized I don't particularly have one. I did have an one sided orchiectomy (removal of testicle) for cryptorchidism, but that wouldn't have an effect on my...
  2. D

    Looking for advice in HCG/Anastrazole adjustments/dialing in doses and weight loss

    Hey fellas, So I'm looking to hear some opinions for the guys that have been able to dial in their doses well. Here's a quick timeline. 27 y/o hypogonadotropic hypogonadism. Was on clomid, hated it, did HCG mono for 2 months, did ok, added SC test cyp. While on Test cyp 40mg SC M/W/F, HCG...
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    First Hand Experience with Adding Test to HCG and Testicular Size/Fertility?

    Hey everyone, I wanted to see if anyone has first hand experience with having been on an HCG regimen and then adding Test (in my case test cyp) in regards to testicular size, and whether they had any notable changes in fertility. For a quick background: I've been on HCG (500IU MWF) for almost...
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    The Hypogonadotropic Hypogonadic Doctor, with Cryptorchidism

    Hey there everyone. I've been debating posting on here for some time, only silently reading, but I decided that my story may not only help someone else in the future who is in a similar situation, but it may also help to show a different side of story, particularly since I'm a physician. About...
  5. D

    The Hypogonadotropic Hypogonadic Doctor, with Cryptorchidism

    Hey there everyone. I've been debating posting on here for some time, only silently reading, but I decided that my story may not only help someone else in the future who is in a similar situation, but it may also help to show a different side of story, particularly since I'm a physician. About...
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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