In a study of adult human males, serum follicle-stimulating hormone (FSH) levels did not show a statistically significant seasonal variation (p = 0.312), with mean levels of 5.21 IU/L in winter, 5.38 IU/L in spring, 5.02 IU/L in summer, and 5.19 IU/L in autumn.

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  Seasonal Changes of Serum Gonadotropins and Testosterone in ...

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Referenced by nodes (1)

• Follicle-stimulating hormone concept