BACKGROUND Numerous studies have reported declines in semen quality and other
markers of male reproductive health. Our previous meta-analysis reported a significant …

Although semen quality is an important determinant of fertility, defining clear thresholds for
normal ranges has proven difficult. According to'time to pregnancy'studies, fecundity starts to …

Objective To provide information of semen quality among young Chinese men in the past 15
years. Design Retrospective cross-sectional study. Setting Sperm bank. Patient (s) A total of …

The development of a rodent ambient particulate matter (PM) inhalation system is critical for
drawing causal inferences between PM exposure and the onset of human diseases. In this …

Background Male fertility is progressively declining in many developed countries, but the
relationship between male infertility and environmental factors is still unclear. Objectives To …

Currently, most men with infertility cannot be given an aetiology, which reflects a lack of
knowledge around gamete production and how it is affected by genetics and the …

STUDY QUESTION Is maternal use of mild analgesics in pregnancy associated with
anogenital distance (AGD)—the distance from the anus to the genitals—in the offspring …

About a quarter of the human diseases occurs for exposure to air pollution. The male
reproductive system, and especially spermatogenesis, seems to be particularly sensitive. As …

Background Several studies proposed a relationship between environmental factors and
semen quality, as well as the negative effect of air pollution on spermatogenesis and …

Bisphenol A (BPA) and other endocrine disrupting chemicals have been reported to induce
negative effects on a wide range of physiological processes, including reproduction. In the …