Over the past four decades, studies of various designs have reported spatial and temporal
trends in human semen quality. Several standardized-methodology studies in …

Background Computer-aided sperm analyzers (CASA) are currently used worldwide for
semen analysis. However, there are doubts about their reliability to fully substitute the …

STUDY QUESTION Does diet-induced weight loss improve semen parameters, and are
these possible improvements maintained with sustained weight loss? SUMMARY ANSWER …

Objective To evaluate whether male fertility status and/or embryo quality during in vitro
fertilization (IVF) therapy can be predicted based on genomewide sperm deoxyribonucleic …

STUDY QUESTION Is there an association between alcohol intake and semen quality and
serum reproductive hormones among healthy men from the USA and Europe? SUMMARY …

We conducted the first US study to compare semen quality among study centres using
standardized methods and strict quality control. We present data on semen quality in …

Objective To evaluate associations between work-related stress, stressful life events, and
perceived stress and semen quality. Design Cross-sectional analysis. Setting Northern …

Background Per-and polyfluoroalkyl substances (PFAS) are a large family of persistent
industrial chemicals with endocrine disrupting properties. Objectives To examine biomarkers …

Semen motility is the most widely recognized semen quality parameter used by Artificial
Insemination (AI) centers. With the increasing worldwide export of semen between AI …

Several experimental and observational studies have demonstrated the antiandrogenicity of
several phthalates. However, there is limited evidence of an association between phthalate …