IBS Parasite?

Does anyone know what this is? They are in my stool. They are approx. 4-5 mm. in length, clear in color (transparent), looks as if there are one or two air bubbles inside the body, and one end seems to have a tale. Picture should be coming soon, via webmaster.

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Does anyone know what this is? They are in my stool. They are approx. 4-5 mm. in length.