Image partial duplication across center fold when exporting as PDF

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Hello, 

I am trying to export a book file from ID into a single page PDF to be uploaded to the book printing company Lulu. They request that the file be in single pages instead of two-page spreads, and that the file be exported with full bleed on all 4 sides. The problem I am having is that some of the pages in my book that will align as two-page spreads when printed have images that go across the center area (see attached images) -- and these images have duplication of the middle of the image. I am trying to fix it so that the image aligns properly and I don't have this duplication. Any suggestions for export settings that still include the full bleed? Please see the attached images for examples -- the map spread has a duplicated letter "L" in the middle, and the picture of the people has a partial duplication of the woman in the middle. The images are screenshots from the viewer that the printing company Lulu offers, FYI. 

Thanks for your thoughts!

[Peter Spier · Accepted solution]

That duplication is expected when you have full bleed on all four sides. It will end up buried in the binding or trimmed off so no worries.