How to Predict Estradiol and DHT at Different Testosterone Doses

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Nelson Vergel

Founder, ExcelMale.com

jacb

Active Member
Thanks for catching that. Table is OK though. There is something else no one has noticed but I will see who does first. :)
Would it be the percentage values of E2 to TT?

EG: at 275 TT the "Percent E2 of TT" is shown as 0.79%, should that not be 7.9% etc?

Maybe I am being crazy ... not sure about this?
 

Cataceous

Super Moderator
Would it be the percentage values of E2 to TT?

EG: at 275 TT the "Percent E2 of TT" is shown as 0.79%, should that not be 7.9% etc?

Maybe I am being crazy ... not sure about this?
You must make the units match before calculating the ratio in percent. Testosterone of 275 is measured in ng/dL. Estradiol of 21.8 is measured in pg/mL. To convert pg/mL to ng/dL you divide by 10. So total estradiol is 2.18 ng/dL, and the E2/T ratio is 0.0079, or 0.79%.
 

MDavidW76

Member
Hmm
My E2 is quite high 96pg/dL with Total T is 1012ng/dL, my Free T is 26.7pg/mL, SHBG 20.4nmol/L.

Math: (9.6/1012) x 100 = 0.968

So I’m aromatizing almost 1% of my total T into Estradiol…

My doctor has given me a blank slate for blood tests to be run, I’m looking for the whole package… I’m going to search around the posts to see what all I can cram into a list for him.
 

Nelson Vergel

Founder, ExcelMale.com
My E2 is quite high 96pg/dL
Is this sensitive (LC/MS) estradiol or ECLIA-based?

My doctor has given me a blank slate for blood tests to be run, I’m looking for the whole package… I’m going to search around the posts to see what all I can cram into a list for him.
Here are a few possibilities depending on how much out-of-pocket you are willing to pay the clinic or as a insurance copay:

 

MDavidW76

Member
Is this sensitive (LC/MS) estradiol or ECLIA-based?


Here are a few possibilities depending on how much out-of-pocket you are willing to pay the clinic or as a insurance copay:

This year (01/15/22 10:30 am)
96 pg/mL (H)
Methodology: Roche ECLIA methodology
Performed at: SPOWA - Labcorp Spokane

Last year (05/22/21 7:58 am)
83.7 pg/mL (H)

Methodology: Liquid chromatography tandem mass spectrometry(LC/MS/MS)
Performed at: SPOWA - LabCorp Spokane

I forgot to remind my Dr to order the LC/MS - that’s part of why I’m going to do new labs.
 
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