… In a subsequent study on semen quality in fertile Japanese men, … In population-based
studies of young men, semen quality in many … associated with prolonged time to first pregnancy. …

… of low semen quality on morbidity, we studied the association between semen characteristics
and … The semen quality of 5,370 men was examined at the fertility clinic at Frederiksberg …

… We suggest that future studies of semen quality should be carried out reporting both results
of single semen parameters and … : a population-based study of 430 first-pregnancy planners …

… semen quality and its relevance to fertility as well as a barometer of men’s general health. The
focus will be on recent epidemiological studies … factors on semen quality in a fast changing …

… was shown only for sperm concentrations of <40 × 10 6 /ml among 430 first pregnancy planners
7 or <… and were not selected for known fertility issues or semen quality, with most of the …

… studies of more than 300 young Danish men, unselected with regard to fertility status and
semen quality, to determine semen quality … : a population-based study of 430 first-pregnancy …

… the duration of sexual abstinence and semen quality: analysis of 9489 semen samples. …
Relation between semen quality and fertility: a population-based study of 430 first-pregnancy …

… Body mass index in relation to semen quality, sperm DNA … Follow up study among couples
planning first pregnancy. … —a Dutch population-based birth-cohort study: the GECKO Drenthe …

… studies using similar protocols have suggested regional differences in semen quality of young
and fertile … [37] In another Japanese study, regional differences in semen quality of fertile …

… men led us to question whether semen quality at the early adult age of … semen quality
improves beyond this age, we have followed up longitudinally two cohorts of men for semen quality …