evidence: 77% of working mothers discriminated against [...] The comprehensive research, carried out in partnership with the Department for Business, Innovation and Skills, shows despite 77% of working mothers reporting potentially discriminatory or negative experiences, only around a quarter (28%) raised the issue with their employer, only 3% went through their employer’s internal grievance procedure, and less than 1% pursued a claim to the employment tribunal. [...] Caroline Waters, Deputy Chair of the Equality and Human Rights Commission said: "We simply cannot ignore the true scale of the hidden discrimination that working mothers face. This is unacceptable in modern Britain, and urgent action is needed to ensure women are able to challenge discrimination and unfairness. This is why we are calling on Government to look at the barriers working pregnant women and mothers face in accessing justice.