The decline in male fertility can affect the health of the children they may go on to have (Utting and Bewley 2011). The chart below shows your chances of getting pregnant according to your age.

Male: While women's fertility in middle age begins to decrease, men of the same age are still highly fertile. Female: Menstruation and ovulation continue until the age of 50, on average ...

Now a new study by America's University of California has also found that men's fertility declines as they age. Here, femail.co.uk has investigated some of the reasons for declining male fertility.

regardless of their age. The chances of a pregnancy arising from intercourse during the peak conception time ranged from 20 per cent to 60 per cent. Male fertility begins to decline at about 35 ...