According to Catholic teaching the practice of NFP is without intrinsic disorder. (faith.org.uk)
Elizabeth Scalia on the struggle with intrinsic disorder: I am «intrinsically disordered» when it comes to food, and it doesn't really matter how I became so. (firstthings.com)
However, it has long been known that regions of intrinsic disorder are comon in eukaryotic proteins. (molssi.org)