GÖTEBORG, Sweden--(BUSINESS WIRE)--Regulatory News: Vitrolife (STO:VITR) has received approval from the U.S. Food and Drug Administration, FDA, the equivalent of the Swedish Medical Products Agency, for the products RapitVit™ Blast and RapidWarm™ Blast. So-called 510(k) clearance has been obtained for these products, which are used for so-called vitrification, the rapid freezing and thawing of blastocysts (embryos days 5-7 after fertilization). Vitrolife has since before approved products for vitrification of embryos in an earlier stage of the fertilization (embryos day 2-3 after fertilization).