She was the first female gynecologist in the Balkans, the first head of the Department of Maternity and Women's Diseases in Niš, and the first woman who performed a caesarean section in Serbia.

[1] Eva Haljecka Petković was born in 1870, in a village of Congress Poland, at the border with the Russian Empire.

She completed her specialization at the University of Vienna at the school's Gynecology and Obstetric Clinic in the class of Professor Friedrich Saout.

In 1905, she got the job of a secondary doctor at the Gynecology-Babic Department of the General State Hospital, also by the decision of the Ministry of Internal Affairs of Serbia.

During the World War I, from 1915, she was a prisoner of the Bulgarian army during the occupation of Nis, but returned to her position in December 1918 through September 1919.

On 3 January 1920, by the decree of the Ministry, she became the head of the Department of the Niš District Hospital,[2] and remained in office until 1924, when she retired.