 Following graduation, Uvarov worked first in general mixed practice as an assistant veterinary surgeon, before establishing her own practice in 1944 in Surrey.In 1953, Uvarov joined the Veterinary Department of Glaxo Laboratories Ltd, where she was involved in product development and training sales representatives.While at Glaxo, Uvarov published her research on the development of antimicrobials, and their use in animals.