She is a professor at the Imperial College Faculty of Medicine and a consultant at St Mary's Hospital, London.
She is known as the author of reference textbooks in the field of haematology that form the core curriculum for laboratory morphology and pathology.
She traveled to England in late 1971, supported by a scholarship from the Royal Australasian College of Physicians.
[7][8] For example, she investigated myelodysplastic syndrome, which can evolve into acute myeloid leukaemia and dysplastic haemopoiesis without proper diagnosis and treatment.
[9] At St Mary's, Bain developed a training program on haematology, covering topics such as the analysis of blood and bone marrow samples and genetic disorders that affect haemoglobin.