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Women's Health

FSH Levels

08/29/2006

Question:

Could you please let me know if I suffer from infertility with the following blood tests? I am 35 1/2 and already have a 3 years old baby, do I suffer from secondary infertility? Normal Values (Follicular face) FSH 14,60 miu/ml (3-30) LH 7,18 miu/ml (2-15) Prolactin 6,60 ng/ml (0,3-24,0) Testosterone 0,218 mg/ml (0,1-1,1) DHEA-S 117,0 ng/dl (60,9-337) (age 35-44) Oestradiol 190,8 pmol/l (40-600)

Answer:

The definition of infertility is actively trying to conceive for one year without success.  Because women over the age of 35 may have a more limited time frame, many physicians will start a workup and treatment for infertility after only six months in this group.

Hormone levels alone can be misleading, because they fluctuate depending on when in the menstrual cycle they are drawn.  The FSH and LH should be at their lowest point at the beginning of the cycle, right after menstrual bleeding begins.  If the FSH is starting to rise even at that point in the cycle, it may mean that the ovaries are becoming more resistant to pituitary signals, that is, running low on follicles.  Even so, it is possible to get pregnant as long as there is menstrual bleeding. 

The bottom line is that if you are having difficulty conceiving, you need to speak to a physician about the appropriate next step in your care.

 

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Response by:

The Ohio State University Jonathan A Schaffir, MD
Assistant Professor
Division of General Obstetrics and Gynecology
Department of Obstetrics and Gynecology
College of Medicine
The Ohio State University
Jonathan  A Schaffir, MD