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What are the differences/advantages and disadvantages of Dexcom vs Freestyle Libre 1 vs 2?

Some differences and advantages between Dexcom, Freestyle Libre 1, and Freestyle Libre 2 include: Dexcom requires more manipulation and has a 2-hour warm-up period compared to Freestyle Libre's 1-hour warm-up. Dexcom sensors need to be replaced every 10 days, while Freestyle Libre sensors can last up to 14 days. The Freestyle Libre sensor is smaller and more discreet, which can be advantageous during the summer months. However, Dexcom is generally more expensive.