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Review
. 2018 Mar;37(3):247-255.
doi: 10.1177/0960327117703690. Epub 2017 Apr 17.

Decline in sperm count in European men during the past 50 years

P Sengupta  1   2 , E Borges Jr  3 , S Dutta  4 , E Krajewska-Kulak  2
Affiliations
Review

Decline in sperm count in European men during the past 50 years

P Sengupta et al. Hum Exp Toxicol. 2018 Mar.

Abstract

Purpose: To investigate whether the sperm concentration of European men is deteriorating over the past 50 years of time.

Materials and methods: We analysed the data published in English language articles in the past 50 years in altering sperm concentration in European men.

Results: A time-dependent decline of sperm concentration ( r = -0.307, p = 0.02) in the last 50 years and an overall 32.5% decrease in mean sperm concentration was noted.

Conclusion: This comprehensive, evidence-based meta-analysis concisely presents the evidence of decreased sperm concentration in European male over the past 50 years to serve the scientific research zone related to male reproductive health.

Keywords: Semen quality; sperm concentration; sperm count.

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