Fertility

Melatonin's Role in Reproductive Health and Fertility
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Melatonin's Role in Reproductive Health and Fertility Executive Summary Melatonin (N-acetyl-5-methoxytryptamine), a neurohormone primarily known for regulating circadian rhythms, demonstrates profound and multifaceted effects on male and female...
hCG Plus TRT Testicular & Fertility Restoration Protocol
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Hey guys, what do you think I am missing in the downloadable attached PDF? This attached document synthesizes key findings on the use of Human Chorionic Gonadotropin (hCG) in men, either as an adjunct to Testosterone Replacement Therapy (TRT)...
HCG Use in Men on TRT or as Monotherapy: Over 200 Questions and Answers
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I collected questions and answers posted on ExcelMale.com in the last 10 years about the use of human chorionic gonadotropin in men who want to prevent loss of testicular size and fertility while on testosterone replacement therapy or that want...
HCG, Clomid, and Anastrozole Use in Male Infertility
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Starting a family with a partner that you love is one of the most magical and exciting experiences that you will ever encounter. It is also daunting and very intimidating, but ultimately, becoming a parent will change you for the better. Sadly...

Clomiphene Citrate (Clomid) in Men With Low Testosterone - Do we Need to Monitor IGF-1 in All Patients?

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Source: https://academic.oup.com/jes/article/9/12/bvaf176/8316974 In conclusion, Mogar et al [4] reaffirm the known IGF-1–lowering effect of clomiphene, which may be beneficial in men with hypogonadism and acromegaly, but raises important...
Scientists Discover Testicles Grow Larger With hCG + FSH Fertility Treatment—And Men Are Getting Better Results
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* To our knowledge, this is the first report demonstrating alterations in spermatogenesis as intratesticular morphological changes, specifically enlargement of seminiferous tubules, by US. Ultrasonographic Seminiferous Tubule Changes Track...
HCG DOSE FREQUENCY FOR MEN - FERTILITY & TESTICULAR ATROPHY
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Hi everybody. I would like to hear from people having experience (or having knowledge) on different hcg dose frequency protocols. Basically I want to know if every day lower dose has any different outcome, better o worse, compared to every other...
Dr. Shalender Bhasin: Optimizing the Diagnosis and Treatment of Hypogonadism 2025
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Nelson's house u heard it here first! Dr. Shalender Bhasin! * over the past 4 decades he has become a global leader in the biology of androgens, sarcopenia and aging related functional decline, his research has shaped clinical guidelines, its...
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...
Can You Take Testosterone and Still Have Kids? What Every Man Needs to Know
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TRT can change your hormones — but it may also shut down your sperm. In this video, Dr. Justin Houman (MD, board-certified urologist & men’s health specialist) explains how testosterone replacement therapy affects fertility, sperm count, and...

Testosterone, Semen Analysis, and Male Fertility: Expert Advice with Real-Life Journeys on Fertility

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Clomid is old news! hCG + FSH is where it's at for restoring/maintaining fertility on or off exogenous T! 500IU 3x/week will restore normal ITT. Protocol is compounded purified preparations of hCG/FSH (3000 IU hCG + 75 IU of FSH) injected...
Spermatogenesis induction
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This is gold really enjoyed this one! Worthy of a sticky! Spermatogenesis Induction: A Comprehensive Guide to Male Fertility Treatment Professor Dimitrius Goulis delivers an expert overview of when and how to induce spermatogenesis in men...
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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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