Background
Ledingham was born Una Garvin to parents Christina and James.
Ledingham was born Una Garvin to parents Christina and James.
She attended South Hampstead High School, then went on to the University of London, where she received her Bachelor of Medicine, Bachelor of Surgery degree in 1923.
She earned her Doctor of Medicine in 1927, from the London School of Medicine for Women. From 1925 to 1931, she was a staff registrar there and a staff physician in 1931. Ledingham was on staff at the Marie Curie Hospital and Hampstead General Hospital from 1931 until the end of her career.
There, she studied diabetes in pregnancy.