In 2021, she represented Armenia at the 2020 Summer Olympics in Tokyo, Japan.

[1] She won the bronze medal in the women's 55 kg event at the 2023 European Weightlifting Championships held in Yerevan, Armenia.

[2][3] Yaylyan won the gold medal in her event at both the 2014 European Junior & U23 Weightlifting Championships held in Limassol, Cyprus and the 2015 European Junior & U23 Weightlifting Championships held in Klaipeda, Lithuania.

In 2017, she won the bronze medal in the women's under-23 58 kg event at the 2017 European Junior & U23 Weightlifting Championships held in Durrës, Albania.

[4] At the 2021 European Weightlifting Championships in Moscow, Russia, she won the silver medal in the women's 55 kg Snatch event.