Re: REI: Clomid challenge tests

From: Dr Antonio Valdez (avaldez@infolnk.net)
Tue Mar 31 11:38:20 1998


>New question for the REI folks. I perform a lot of CCCT here for
>unexplained infertility and for the IVF program I refer to. What are people
>currently using for their cutoff of normal. Initially I learned that a D3
>fsh >18 was the end point, then it lowered to 12 or 14, I have heard as low
>as 8.5. I have also heard that if the D3 and D10 levels added together are
>greater than 10, this is an end point, or at least a very poor prognostic
>sign.
>Harnath Holmes, MD

Dear Dr Holmes: Im' not a REI folk, but I perform a CCCT in every women older that 30 who is under treatment for infertility; an according to the original work (Navot,D: Lancet 1987;2:645) the test result is considered abnormal if either basal or day 10 FSH levels are above 25 IU/L; so your cutoff value of 8.5 or 10 seems to me very low..So let us heard the experts and clear this up, please....

--
        Antonio Valdez-Torres, MD FACOG
        Hospital Guernika
        Ciudad Juarez, Chihuahua MEXICO




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