During pregnancy and then in childbirth, new mums experience some dramatic hormonal changes.

But while these changes in women are relatively well studied … there’s a growing body of evidence finding that biological changes - shifts in hormones and brain activity - happen in men, too.

And these shifts are just one part of the picture.

Men can also experience mental health issues when they become a new dad, like postnatal depression.

On All in the Mind this week, the psychological and biological changes that happen during the transition to fatherhood.