April 2014

All the papers from the April 2014 issue of Fertility and Sterility.

Specificity and predictive value of circulating testosterone assessed by tandem mass spectrometry for the diagnosis of polycystic ovary syndrome by the National Institutes of Health 1990 criteria

Extraction chromatography–radioimmunoassay and liquid chromatography–tandem mass spectrometry measurements of testosterone have similar performance for differentiating polycystic ovary syndrome from controls; different cutoff values should be considered depending on the setting (e.g., clinical vs. general populations).