The cost of raising a child has increased by £4,000 from last year, parents are spending more money on education and childcare costs, with many forced to make cutbacks.
Speaking to ITV Daybreak, Gillian Guy from Citizens' Advice said that costs are going up but salaries are staying the same, and it's harder to make ends meet.
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Accompanied by the Duke of Edinburgh, the Queen will attend the opening ceremony of the fifth session in the Holyrood chamber.
Ms Leadsom has received the backing of Ian Duncan Smith, the former work and pensions secretary.
The former shadow work and pensions secretary is considered a more viable candidate than Angela Eagle, a Labour source has told ITV News.