As a first year student from Rajamangala University of Technology Thanyaburi, Yuthithum won her first major pageant title in 2006 when she was named Miss U-League 2006.

[1] The pageant is held annually for female university students in Thailand.

On March 24, 2007, she competed in the Miss Thailand Universe pageant held in Bangkok where she won and was crowned by reigning Miss Universe 2006 Zuleyka Rivera of Puerto Rico.

On December 2, 2018, Yuthithum married Andrian Zahariev, a Bulgarian-Russian businessman.

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