Wahyuni R, Udur Hotlan Maria Sianturi. The Effect of Health Education on Childbirth on Third Trimester Primigravida Anxiety in Public Health Center Matiti in Humbang Hasundutan District 2022. midwifery [Internet]. 2022 Oct. 30 [cited 2026 Apr. 17];10(4):3365-8. Available from: https://midwifery.iocspublisher.org/index.php/midwifery/article/view/831