Post-natal depression: Fathers Reaching Out founder on his group
12 February 2012 Last updated at 14:31 GMT
As many as one in 10 women suffer from post-natal depression, which can also have a knock-on effect for their partner and other children.
Mark Williams, from Bridgend, has set up a website called Fathers Reaching Out to provide an outlet for fathers as he felt there was no-one to turn to when his wife was going through the condition.
Mark and Michelle Williams tell their story to Jenni Murray on BBC Radio 4's Woman's Hour.