These pictures show Francesca's transition from a "normal" seven-year-old, to the gruelling treatment stage where her femur and knee were replaced with a metal rod, and finally back to a healthy teenager who uses her experience to raise money for charity.
She says if more research is dome and awareness is raised, this could be the story for other children too.
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A couple who had their daughter Jaycie through IVF have been given a time-lapse video showing her journey from embryo to birth.
Predictions in future weather behaviour.