Marijuana smoking and markers of testicular function among men from a fertility centre.

ABSTRACT:

Study question

Is marijuana smoking associated with semen quality, sperm DNA integrity or serum concentrations of reproductive hormones among subfertile men?

Summary answer

Men who had ever smoked marijuana had higher sperm concentration and count and lower serum FSH concentrations than men who had never smoked marijuana; no differences were observed between current and past marijuana smokers.

What is known already

Studies of marijuana abuse in humans and animal models of exposure to marijuana suggest that marijuana smoking adversely impacts spermatogenesis. Data is less clear for moderate consumption levels and multiple studies have found higher serum testosterone concentrations among marijuana consumers.

Study design, size, duration

This longitudinal study in

SUBMITTER: Nassan FL 

PROVIDER: S-EPMC6443114 | biostudies-literature | 2019 Apr

REPOSITORIES: biostudies-literature