Is FSH responsible for Testosterone only, Sperm only, or Both??

BigAk

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My impression is that LH is the hormone that promotes the testes to produce Testosterone while FSH promotes the prodction of Sperm only. Please correct me if I'm wrong!! Does FSH also promotes the production of testosterone?
 

ItsHectic

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You are right except LH acts elsewhere also.
FSH is only responsable for the production of sperm.

LH has a half life of 30 mins while FSH has a half life of afew hours (6 or 12?). LH will vary so much throughout the day that it isnt so reliable to use as a follow up for how much you are being shutdown, instead FSH is more reliable, why FSH gets shut down from testosterone production, I do not know.
 

spinn

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What is the best method of testing fsh.......and which is the best company to do it?
 

BigAk

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You are right except LH acts elsewhere also.
FSH is only responsable for the production of sperm.

LH has a half life of 30 mins while FSH has a half life of afew hours (6 or 12?). LH will vary so much throughout the day that it isnt so reliable to use as a follow up for how much you are being shutdown, instead FSH is more reliable, why FSH gets shut down from testosterone production, I do not know.
K. Thank you...
 

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