Quality of Semen Obtained from 627 Fertile Men

Z. T. Homonnai*, G. Paz, J. N. Weiss, M. P. David

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Six hundred and twenty seven men, whose wives conceived within 6 month of their semen analysis, were included in this study. Attention was focused on 516 men where conception occurred within 3 months of semen analysis. The quality of the seminal plasma (volume pH, fructose and calcium concentrations) and the spermatozoal characterization (concentration, motility, vitality and morphology) are given in details. It was concluded that spermatozoal motility and morphology are the most crucial factors in determining its fertilizing capacity. Measurement of vitality is important only in hypokinetic specimens. Sperm density is a limiting factor only below 10 million/ml. A widely scattered range of sperm concentration was found among the fathered men which may indicate that the incidence of pregnancy is a multifactorial statistical probability which increases when the quality of the semen is high.

Original languageEnglish
Pages (from-to)217-228
Number of pages12
JournalInternational Journal of Andrology
Issue number1-6
StatePublished - Dec 1980
Externally publishedYes


  • fertility
  • seminal plasma
  • sperm quality


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