… successful assisted reproduction, the aim of our study was to evaluate circadian and circannual
rhythms and their association with semen quality. A total of 12 245 semen samples from …

… [6] investigated 430 first-pregnancy couples and their results showed that ∼65% of the … [26]
study demonstrates the diurnal variation of semen quality in human males contributing to the …

… of studies support the finding of a decline in semen quality … using survey data from two large
population-based studies of … , measured as waiting time to first pregnancy. For females, we …

… a marker of male fertility in the present study. We studied suggested cutoff values using
different assays and end points to predict pathological SDF. Using the sperm chromatin structure …

… measures were the first pregnancy within the study period and the first pregnancy which lead
to … Among the non-ART/AIH couples, 382 of 430 (77.5%) got pregnant spontaneously again …

… Regarding semen quality, a cross-sectional study of 953 … lower sperm concentration, total
sperm count, and percentage of normal morphologic spermatozoa (17). In a longitudinal study …

… association between PM 2.5−10 concentrations and infertility … studies linking PM exposure
and impaired semen quality 13,… , also support the association between higher PM exposure …

… to be very helpful in diagnosing male infertility [14]. Routine … between the onset ages of
pubertal events, semen quality (… as a convenient marker in population-based studies [30]. We …

… other types of fat intake against semen quality. A more contemporary study by Xia et al. further
… These population-based changes are driven in part by diet, through the consumption of …

… This study revealed a positive correlation between the levels of VLC-PUFA with sperm count
and total … Some studies in humans found an association between sperm quality and the …