Harrogate based cosmetic surgery provider MYA Cosmetic Surgery has reported turnover of £18.9m for the 15 months ended 31 March 2014.Cost of sales was up 31% on the previous 12 month period at £10.9m, while administrative expenses increased from £7.7m to £10m, leaving an operating loss of £1.9m against a loss of £792,000 at the…