Many women with few risks for post-partum psychosis

Onset of the mental illness is a “true psychiatric emergency” and affects about one in every 1000 women delivering a baby – but the true incidence may be higher, experts say.

All women should be screened antenatally for known risk factors, the UK reviewers say.

Bipolar disorder puts women at particularly high risk, with a one in four chance of developing postpartum psychosis.

Common symptoms include mania, severe depression, delusions, confusion and bewilderment.