Journal
ARCHIVES OF ANDROLOGY
Volume 49, Issue 2, Pages 139-144Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/01485010390129296
Keywords
cross-sectional study; IUI; longitudinal study; sperm quality
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The aim of the present study was to investigate whether sperm quality has changed during the years 1990-1999 among men residing in Jerusalem, Israel, who were involved in treatment by intrauterine insemination (IUI). Both cross-sectional and longitudinal analyses were performed. A total of 2638 male partners in couples that underwent treatment by IUI participated in the cross-sectional investigation. Of them, 417 men (16%) were included in the longitudinal study. Total sperm counts and percent motility were evaluated on an annual basis to assess changes over 10 years from 1990 through 1999. A significant downward trend in sperm count and motility was demonstrated in the cross-sectional study. Sperm count decreased by 5.2 x 10(6) +/- 0.9 x 10(6) (p < .0001) each year and percent motility declined by 0.50 +/- 0.14% (p = .0003). Similar changes were found in the longitudinal evaluation, but they were not statistically significant. These data suggest that during the last decade in Jerusalem, sperm count and motility declined significantly among men involved in infertile relationships and treated by IUI.
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