A decade of WHO 2010: total sperm number temporal trend and role of lifestyle factors.

ABSTRACT: After a huge decline in sperm concentration between 1938 and 1991 was reported, many researchers investigated the possibility of a worsening of human sperm quality. Despite massive efforts, published evidence is still controversial. Similarly, the role of lifestyle factors on semen parameters is debated. We conducted a monocentric Italian study to evaluate the total sperm number trend over the last 10 years (from 2010 to 2019). Additionally, we evaluated the association between lifestyle factors and total sperm number in order to identify possible damaging factors. We performed a retrospective study analyzing subjects aged 18-55 years who had their semen analyzed between 2010 and 2019. A total of 3329 subjects were included: 1655 subjects referred to our department (Department of Experimen

SUBMITTER: Cargnelutti F 

PROVIDER: S-EPMC10521956 | biostudies-literature | 2023 Jan

REPOSITORIES: biostudies-literature