<p>To ask the Secretary of State for Health, whether the experiments recommended by the Human Fertilisation and Embryology Authority's expert review panel in the publications, Scientific review of the safety and efficacy of methods to avoid mitochondrial disease through assisted conception, published in April 2011, and Scientific review of the safety and efficacy of methods to avoid mitochondrial disease through assisted conception: update, published in March 2013, on karyotype analysis and comparative genomic hybridisation and copy number variation arrays of embryos derived from the maternal spindle transfer and pronuclear transfer technique therapies have been concluded; and in which peer-reviewed journal his Department plans to publish the findings of those experiments.</p>