[3] She made her international debut at the 2016 Junior European Championships in Holon and placed sixth in the team competition alongside Olena Diachenko and Yeva Meleshchuk.

[7] At the 2018 European Championships in Guadalajara, Spain, Pohranychna, Viktoriia Onopriienko, and Anastasiya Voznyak won the team silver medal behind Russia.

[9][10][11][12] She was then selected to represent Ukraine at the 2018 Summer Youth Olympics, and she won the silver medal in the individual all-around behind Russia's Daria Trubnikova.

She made her senior international debut at the Pesaro World Cup and placed fifth in the hoop final.

[15] In the event finals, she finished fourth in ball, sixth in hoop and clubs, and eighth in ribbon.

[20] At the World Championships in Baku, She finished fifth in the team competition alongside Vlada Nikolchenko and Yeva Meleshchuk.

[21] She then finished twelfth in the all-around final with a score of 80.575, earning Ukraine a second quota for the 2020 Olympic Games.

[24] She returned to competition at the Tashkent World Cup and placed seventh in the clubs and ribbon event finals.

Pohranychna qualified for the individual all-around final in tenth place, ahead of Japan's Sumire Kita by 0.300.

In the ribbon final, she placed fourth with a score of 21.950 behind Alina Harnasko and Dina and Arina Averina.