Small to medium businesses need an "enormous amount of government support" so they can afford to help female staff members through maternity leave, said writer Liz Fraser.
Her call was echoed by beauty business owner, Rachel Carr, who wanted more legislation to "protect" businesses.
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The Government scheme would benefit those aged under 40 but will only run for five years.
Joseph Rowntree Charitable Trust and the Roddick Foundation are under investigation by the watchdog over grants made to Cage.
The Duke of Cambridge became a fearsome samurai warlord - at least temporarily - when he visited the set of a long-running Japanese drama.