TrueBlue Clinical Study - Investigating the Use of a Mobile Phone App TrueBlue for Monitoring Depression and Anxiety

Inclusion Criteria: \- 18 years or older * Fluent in spoken and written English * Has capacity to provide consent * At least 12 weeks pregnant or less than 12 weeks postpartum * Access to internet connectivity * Access to a compatible smart phone device (for up to 10 participants, where needed through not having a personal device, this access may be provided through the study team). * Has a current GP within Nottinghamshire Exclusion Criteria: * ● Current clinically diagnosed psychiatric disorder other than depression * Previous history of a clinically diagnosed psychiatric disorder, other than depression and generalised anxiety disorder (including previous Psychosis, Bipolar Disorder, Personality Disorder, Substance Abuse Disorders, Eating Disorders) * Clinical diagnosis of an Autistic Spectrum Disorder, Attention Deficit Hyperactivity Disorder, Parkinson's Disease or other current Neurological Disorder.