When is Louis Theroux's new documentary airing on BBC2? What is Mothers on the Edge about? What is postpartum psychosis? When will Mothers on the Edge be available to watch on iPlayer? How many new mums struggle with mental health issues and depression after pregnancy?

BBC Louis Theroux: details of Mothers on the Edge, his new mental health documentary, revealed

We need to do more to let people know there is nothing shameful or embarrassing about mental illness

One of our contributors had recently made a suicide attempt when we started filming her, and during filming she absconded from the hospital and made a second suicide attempt

Sometimes the mind plays tricks on you or torments itself

The filmmaker opens up to Stylist about Mothers on the Edge, due to air on BBC2 in May

Exclusive: Louis Theroux reveals everything you need to know about his powerful new documentary