STUDY QUESTION What are the parameters of semen quality in Baltic men? SUMMARY
ANSWER Combined parameters of sperm concentration, motility and morphology revealed …

Introduction: Contrary to other parts of the continent, little information is available regarding
semen quality among subjects from central and eastern Europe. Material and methods: We …

Recent studies of semen quality in men from the general population gave rise to the
hypothesis of an East–West gradient in semen quality in the Nordic–Baltic area, with the …

Semen quality has been reported to vary markedly between different regions. To properly
assess the differences among countries a minimization of the variation among centres in the …

Background Finnish men used to have higher semen quality than Danish men. However,
recent studies showed that semen quality in Finland has declined, but it has been relatively …

Objective To assess differences in semen quality between similar populations from Denmark
and Finland. Design Comparison of semen quality between 221 Finnish men (of whom 115 …

The aim of the present study was to assess variability in the evaluation of human sperm
concentration, motility and vitality. Technicians and biologists from 10 teams involved in …

To determine whether semen quality in Slovenians has changed over 14 years (1983–96),
we analysed retrospectively the semen of 2343 healthy men with a normal spermiogram …

Background Sperm counts have been steadily decreasing over the past five decades with
regional differences in the Western world. The reasons behind these trends are complex, but …

BACKGROUND: Several recent studies have reported low sperm concentration in young
men recruited from the general population, but it is unknown whether the semen quality of …