For decades, twin sisters Caitlin and Grace Leggett, from Cardiff, believed they were fraternal. It took a harrowing leukaemia diagnosis for Caitlin at the age of 23 to uncover the astonishing truth: ...
Two sisters who believed they were fraternal twins discovered they were in fact identical - after one of them was diagnosed with leukaemia at the age of 23. Caitlin and Grace Leggett, from Cardiff, ...