Am I eligible for Invisalign? (photos)

I'm a 20 year old female. I unfortunately can't see a orthodontist right now as I'm in Europe. But will be returning to the US next year. I am planning on extracting the tooth behind my two front teeth, if that is a good idea? I have severe over crowding, over bite, breathing problems and underdevelopment. Am I eligible for Invisalign? how long would it take for someone with these problems to have a normal smile? what other options do I need to have done before being eligible for Invisalign?

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