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Seasonal variations and age-related changes in human sperm count, motility, motion parameters, morphology, and white blood cell concentration  Grace M.

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Presentation on theme: "Seasonal variations and age-related changes in human sperm count, motility, motion parameters, morphology, and white blood cell concentration  Grace M."— Presentation transcript:

1 Seasonal variations and age-related changes in human sperm count, motility, motion parameters, morphology, and white blood cell concentration  Grace M Centola, Ph.D., Shirley Eberly, M.S.  Fertility and Sterility  Volume 72, Issue 5, Pages (November 1999) DOI: /S (99)

2 Figure 1 Boxplots of donors’ and infertile patients’ sperm counts by season. The center horizontal line in each box represents the median, with the top and bottom edges of the box representing the 75th and 25th percentiles. The vertical bars extend from the box to the range of the data, to a distance of a maximum of 1.5 interquartile ranges. The interquartile range is the distance between the 25th and 75th sample percentiles. Centola. Variations in sperm. Fertil Steril 1999. Fertility and Sterility  , DOI: ( /S (99) )

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