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Date of last update: 10/16/2017.

Forum Name: Fertility

Question: CCT ? I'm confused!


 ldelliott - Mon Sep 20, 2004 11:21 am

I did the Clomiphene Challenge Test (CCT) and based on my age of 35 and the results from this test my RE suggested we go right to IVF.

My results were:
FSH
Day3: 5.9
Day 10: 11.6

Estradiol
Day3: 75
Day 10: 24

If 10 or less FSH is great then would my FSH being 11.6 be enough to suggest IVF? I konw women with FSH of 40 or greater so I guess I felt like 11.6 was good. Also one of my tubes are blocked based on an HSG I did 1 1/2 years ago.

Thanks so much for your help!!
 Dr. Russell M - Sat Sep 25, 2004 11:41 am

User avatar Hi!

The CCT test is considered abnormal when the day-3 or day-10 FSH is greater than 15 pg/mL or the day-3 Estradiol is greater than 75 pg/mL. Per this standard, your day-3 Estradiol is at 75, and not greater. Nevertheless, different laboratories have their own cut-off time.

To confirm this test inhibin-B concentration may be checked. A low concentration of <35 supports the diagnosis of abnormal ovulation.

bill

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