Saragi, Devi Sagita. “RELATIONSHIP OF KNOWLEDGE WITH PREGNANT WOMEN’S ATTITUDE ABOUT CHANGES IN TRIMESTER I PSYCHOLOGY IN THE WORK AREA OF KOTA PINANG PUBLIC HEALTH CENTER, LABUHAN BATU SELATAN REGENCY IN 2021 ”. Science Midwifery 10, no. 2 (June 15, 2022): 1177–1186. Accessed April 30, 2026. https://midwifery.iocspublisher.org/index.php/midwifery/article/view/484.