Yes, men have a biological clock too. But it’s not just age that affects male fertility
- Written by Theresa Larkin, Associate Professor of Medical Sciences, University of Wollongong
joyce huis/UnsplashWhen we talk about a biological clock ticking, it usually means the pressure women feel to fall pregnant before a certain age. It’s linked to the decline in eggs (ova) and fertility as females age.
But sperm numbers and fertility similarly decline with age in men. When a heterosexual couple experiences fertility issues,...





