Fertility isn't just a female issue - men have a biological clock too, with fertility rates declining after the age of 40. 

Do men have a biological clock? Fertility experts explain

Strong Women

Is there really a male biological clock? 

What causes the decrease in male fertility? And why do we never hear about it?

The age of both parents can impact the outcome

Here’s everything you need to know about male fertility and how it’s affected by age. 