Becoming a parent is supposed to be one of the happiest times of your life, but many mothers are struck with crippling feelings of depression and inadequacy after the births of their children.
It can strike anytime in the first year after a baby is born - and increasingly it is being recognised that fathers can suffer too.
For the third item in our series on mental health during Mental Health Awareness Week - we have been speaking to a group of mothers in Basingstoke. They have shared their stories about how postnatal depression affected them - and how knowing there are others who have the same feelings has helped them to come through it. Here's Sarah Saunders.
The mental heath charity, Mind, has advice on issues surrounding both perinatal maternal health issues and postnatal depression.
NHS Choices also has information about symptoms and treatment for people with postnatal depression.
When Mike Armitage's first son was born half a century ago, The Beatles were a band still hoping to make it big.
Fifty years on - Mike who lives at Ash in Surrey - has announced he is going to be a dad for the seventh time - at an age when most of us would be taking it easy.
So what drives him to become a parent again as a pensioner - and will this be the last one? Stacey Poole has been to find out.