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Clin Exp Obstet Gynecol. 2011;38(4):379-81.

A new classification for female infertility.

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Research and Clinical Center for Infertility, Shaheed Sadoughi University of Medical Sciences, Yazd, Iran.


Infertility is defined as the inability of a couple to conceive after 12 months of regular, unprotected intercourse. However infertility is a clinical presentation and not a disease. Thus to be able to offer a new classification, it is necessary to apply a clinical presentation (philosophy) suggested by the University of Calgary in 1991. In recent years several classification algorithms have been proposed which apply key predictors of clinical, imaging, or morphological types to determine the diseases that can cause infertility. On the other hand, an algorithm is a product of an expert's mind after many years of practice and experience, which is too difficult to understand by a medical student. However there has not been any simple schematic classification based on a logical justification applying integration of etiologies with basic science to break down etiologies into categories, subcategories and disease classes of this clinical presentation. Because etiology has also become an important criterion for the characterization of causes of infertility, a classification proposal is presented here that attempts to include all relevant (basic science) features of the causative diseases of this clinical presentation.

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