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Across the world, Петрова (Petrov , Petrova , Петрова ) is quite a rare epicene given name. The forename Петрова is characteristic of Aland Islands, where it is quite a common male name, Bulgaria, where it is quite a common mostly male, but infrequently feminine name, and Moldova, where it is quite a rare male name. Measured by absolute frequency, the name is most common in Bulgaria, Romania, and the Democratic Republic of the Congo. Much more prevalently, Петрова is the last name as well as the forename.
Петрова is also a name for the fictitious and mythical characters: Petrova Porskoff , character in Quidditch Through the Ages and Petrova Fossil , the one of the main characters in Noel Streatfeild's novel Ballet Shoes.