Sperm count

Why Is Male Fertility Crashing Globally?
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Dr Michael Eisenberg is a professor of Urology at Stanford, a urologic surgeon, and a leading expert in male fertility and reproductive medicine. It's no secret that global population decline is accelerating, but what's driving it? Male...
Clomiphene citrate: A potential alternative for TRT in men with low testosterone
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Clomiphene citrate: A potential alternative for testosterone therapy in hypogonadal males (2023) M. Huijben | M. T. W. T. Lock | V. F. de Kemp | J. J. H. Beck | L. M. O. De Kort | H. M. K. van Breda Abstract Background Hypogonadism is a...
HCG plus TRT to Prevent / Reverse Testicular Shrinkage and Decreased Fertility
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Human Chorionic Gonadotropin (From the book Testosterone: A Mans Guide, amazon.com) Short podcast: hCG: What Every Man Should Know Good summary : Why Use hCG With TRT?- A Clinical Review Human chorionic gonadotropin (HCG) (not to be confused...
Why Use hCG With TRT?- A Clinical Review
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Using hCG in Men on Testosterone Replacement Therapy (TRT) – A Clinical Review Introduction Exogenous testosterone replacement therapy (TRT) can profoundly suppress the hypothalamic-pituitary-gonadal (HPG) axis through negative feedback. By...
Best HCG Dose for Men on TRT: Two Studies That Used HCG with Testosterone
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Note:HCG mimics LH but it is not LH and it's not picked up by the LH blood test. In fact, it suppresses LH like endogeneous testosterone does. But the amazing thing that the study below found is that HCG can increase sperm production and quality...
Fertility Reboot: The hCG & FSH Protocol for Rapid Spermatogenesis Recovery After TRT
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14:55 Optimal Restoration of Spermatogenesis following Testosterone Therapy using hCG and FSH ️ Hosts: Dr. Micah Hill | Dr. Pietro Bordalto | Dr. Eve Feinberg | Dr. Kate Devine Views & Reviews Featured Topics: Clinical Guidelines &...
Uso de hCG Junto a la Terapia de Reemplazo de Testosterona (Video)
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Uso de hCG Junto a la Terapia de Reemplazo de Testosterona Hola chicos, soy Nelson Vergel de ExcelMale.com. Hoy voy a explicar cómo usar hCG junto con la terapia de reemplazo de testosterona (TRT). Algunos hombres con testosterona baja necesitan...
Safety and Efficacy of Enclomiphene Compared to Clomiphene in Men with Low Testosterone
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*Our findings show that enclomiphene provides the same magnitude of improvement in testosterone but through safer means, as noted by its lower rate of documented adverse events *Further research and larger studies are warranted to validate these...
Controversies with Testosterone Replacement Therapy: Lecture by Dr Khera
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As usual Nelson's Excel is where it's at! Mohit Khera, MD, MBA, MPH, Professor of Urology, F Brantley Scott Chair in Urology, Medical Director of the Laboratory for Andrology Research, Medical Director for the Scott Department of Urology...
Antioxidants for the treatment of male infertility: an overview
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Almost 15% of all couples trying to conceive are affected by infertility, and in almost half of these cases male infertility is the sole or a contributing factor.1 Male infertility can have several causes. The most common is idiopathic...
The use of 17-hydroxyprogesterone as a biomarker in men seeking fertility
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Strategies to increase testosterone in men seeking fertility Kevin Y. Chu , Justin K. Achua , Ranjith Ramasamy ABSTRACT The prevalence of testosterone deficiency is increasing in the adolescent and young adult male population. As the...
Do Male Fertility Supplements Really Work?
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In this episode, hosts Dr. Kevin Chu and Dr. Justin Dubin engage in an insightful discussion about the effectiveness of fertility supplements with expert Dr. Kian Asanad, a fellowship-trained men's health urologist at Keck Medicine of USC who...
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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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