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Catherine Hamlin

Elinor Catherine Hamlin, AC, FRCS, FRANZCOG, FRCOG (née Nicholson; 24 January 1924 - 18 March 2020) was an Australian obstetrician and gynaecologist who, with her husband, New Zealander Reginald Hamlin, co-founded the Addis Ababa Fistula Hospital, the world's only medical centre dedicated exclusively to providing free obstetric fistula repair surgery to poor women with childbirth injuries. They also co-founded an associated non-profit organisation, Hamlin Fistula Ethiopia.

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