Fertility Rankings

JRos895

Active Member
I’ve been very interested in Dr. Saya’s fertility rankings posted below (HCG Monotherapy to Clomid Ratio For Fertility):

1. Clomid/SERM treatment
2(A). HCG + HMG (or lyophilized FSH)
2(B). Baseline no treatment (no HPTA suppression via TRT, AAS, HCG mono, etc) - assuming no significant degree of primary/secondary/tertiary dysfunction.
3(A). HCG monotherapy (does in fact result in HPTA suppression, especially at higher doses, but *may* move up to #2 in select cases of SECONDARY/TERTIARY hypogonadism)
3(B). TRT + HCG (as we know many men are still able to maintain adequate fertility to conceive)
4. TRT/AAS with no concurrent HCG.

My question is—couldn’t TRT+HCG in some cases be better for fertility than higher dose HCG Monotherapy?

I assume Dr Saya (@Dr Justin Saya MD maybe you can comment on this) placed HCG Monotherapy above T+HCG since the additional T is additionally suppressive. 100mg TC + 500iu EOD is worse for fertility than simply 500iu EOD, for example.

But couldn’t 100mg TC + 500iu EOD be better for fertility than say 1000iu or 1500 iu EOD (which are also standard monotherapy doses)? If 1000iu EOD is equally or more suppressive than 100mg TC + 500iu EOD (which seems like a reasonable assumption especially if one has a weak pituitary in which case both protocols may bring LH+FSH to 0), then wouldn’t it best to use the smallest dose possible to maintain normal ITT levels (which 500iu and less has shown to do)? Larger doses could bring a greater risk of desensitization or could cause excess intratesticular estradiol which is bad for fertility.
 

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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

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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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