Step into the origins of modern men’s health and testosterone therapy with Dr. Alex Tatem as he sits down with his mentor, Dr. Larry Lipshultz — the pioneer behind male fertility surgery, testosterone research, and advanced hormone therapy.
In this powerful conversation, they discuss:
* How the field of men’s health began
* The early days of testosterone replacement therapy (TRT)
* The future of peptides, compounding pharmacies, and patient-driven medicine
* Why patient care and innovation often clash with outdated FDA rules
* Personal stories of breakthroughs, mentorship, and the evolution of men’s medicine
If you’ve ever wondered how testosterone, fertility, and wellness became what they are today — this interview is a masterclass in the history and future of men’s health.
On this episode of BackTable Urology, Dr. Mike Hsieh (UC San Diego) interviews Dr. Larry Lipshultz (Baylor College of Medicine) about his journey to becoming a renowned specialist in male infertility and reproductive medicine.
First, Dr. Lipshultz explains how he became interested in urology by working in a basic sciences surgery laboratory with a urologist. He became passionate about doing research in male infertility as an intern after hearing a Grand Rounds lecture...
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.
