Anxiety and stress increase in primiparous pregnant women and especially in the third trimester of pregnancy. This study was conducted to investigate the effect of music therapy applied to pregnant women who will give birth for the first time and are in the last trimester of their pregnancy on anxiety and stress. The study is a randomized controlled trial. Pregnant women in the application group were regularly listened to music for 20 minutes a day for 10 days. In the study, pregnant women in the application and control group were trained by the researcher on preparing for normal delivery. The pregnant women who participated in the study completed the Personal Information Form, the State and Trait Anxiety Inventory and the Pregnancy Stress Rating Scale at the beginning. 10, the last day of study. on the day, the scales are repeated.

Aims and objectives: This study aimed to evaluate the effect of music therapy on the anxiety and stress levels of primiparous pregnants in the third trimester.

Background: Anxiety and stress during pregnancy, when not well-managed, can lead to negative birth outcomes.

Design: This study is a randomized controlled trial. Methods: This study was conducted in Turkey with 120 pregnant, 60 of whom were in the music group and 60 in the control group. Research data were collected with Personal Information Form, State-Trait Anxiety Inventory and Pregnancy Stress Rating Scale-36. Pregnants were made to listen to music for 20 minutes every day for ten days. The anxiety and stress levels of pregnant were measured before and after the intervention.

Inclusion Criteria:

• Pregnant women aged 18 and over,
• Primiparous pregnants,
• In the third trimester (28 and above gestational week),
• Speaking and writing in Turkish,
• Having no vision-hearing problems,
• Having and using internet-supported online Web 2.0 tools,
• Volunteering to participate in the study were included in the study within the scope of inclusion criteria.

Exclusion Criteria:

• Pregnant women who did not meet the inclusion criteria and pregnant women who did not listen to music regularly were excluded from the study.