Sperm quality is determined from factors as early as the foetus stage of life, according to an international study.
The study, which included researchers from UWA, measured the behaviour of 2,900 pregnant mothers 20 years ago. It followed up with a testicular assessment of their sons.
The study found adverse fetal growth, exposure to maternal smoking, and a lower childhood growth trajectory were all attributed to lower quality sperm in the grown men.
Read more at The University of Western Australia