Ketidaknyamanan pada kehamilan muncul akibat dari perubahan adaptasi fisiologis. nyeri punggung merupakan salah satu ketidaknyamanan yang paling umum dirasakan oleh ibu hamil trimester iii. ibu hamil trimester iii yang melakukan anc di poliklinik kandungan rsud malinau, kabupaten malinau kalimantan utara, 89 orang mengalami nyeri punggung. tujuan penelitian yaitu untuk menilai efektifitas prenatal massage terhadap penurunan nyeri pungung pada ibu hamil trimester iii di rsud malinau. jenis penelitian ini pre experiment. penelitian pre experiment memberikan perlakuan kepada objek yang dapat mengendalikan variabel dan secara tegas menyatakan adanya hubungan sebab akibat. rancangan penelitian yang digunakan pada penelitian ini adalah one group pretest post - test design. subjek diobservasi sebelum diberikan prenatal massage. pemberian prenatal massage 1 kali selama 40 menit dengan menggunakan teknik effleurage, petrisage, accupresure dan love kneading, kemudian diobservasi lagi setelah 30 menit. populasi dalam penelitian ini adalah seluruh ibu hamil trimester iii yang melakukan kunjungan antenatal ke poliklinik kandungan rsud pada bulan mei - juni 2024. pengambilan sampel yang digunakan adalah purposive sampling yaitu hanya ibu hamil yang memenuhi kriteria saja yang dijadikan sampel. jumlah sampel dalam penelitian ini 30 responden. instrumen yang digunakan dalam penelitian ini, variabel independent yaitu prenatal massage dengan menggunakan lembar observasi dan variabel independent yaitu penurunan nyeri punggung menggunakan skala nyeri numeric rating scale (nrs). analisis data menggunakan analisis statistik non parametrik dengan uji wilcoxon. hasil penelitian menunjukkan ada perubahan tingkat nyeri sebelum dan sesudah dilakukan prenatal massage yaitu terjadi penurunan tingkat nyeri dengan nilai rata - rata 2,67. uji hipotesis didapatkan asymp. sig. (2 - tailed) = < 0,001. hasil penelitian tingkat efektifitas pemberian prenatal massage dalam penurunan nyeri punggung yaitu terdapat perbedaan nyeri sebelum dan setelah pemberian intervensi dengan menunjukkan p - value = 0.001 < α (0.05). kesimpulan dari hasil penelitian ini menunjukkan bahwa prenatal massage efektif mengurangi keluhan nyeri punggung pada ibu hamil trimester iii di rsud malinau. kata kunci: prenatal massage, nyeri punggung, ibu hamil trimester iii

Pregnancy-related discomfort is caused by modifications in physiological adaption. one of the most prevalent discomforts that pregnant women deal with during the third trimester is back pain. back discomfort was reported by 89 pregnant women in their third trimester who had anc at the obstetrics polyclinic at malinau public hospital, malinau regency, north kalimantan. the research at malinau public hospital aimed to evaluate the efficacy of prenatal massage in relieving back pain. in pregnant women in their third trimester. pre-experimental research was employed. pre-experimental research expressly declared the presence of a cause - and effect correlation and treated things that could control variables. one group pretest - posttest design was employed as the research methodology in this study the subjects received prenatal massage after being observed. using effleurage, petrisage, acupressure, and love kneading techniques, a 40 - minute prenatal massage was administered once. the results were recorded after 30 minutes. the participants in this study were all third - trimester pregnant women who visited the hospital obstetrics clinic for prenatal care in may or june of 2024. purposive sampling was employed, meaning that only expectant mothers who met the requirements were included in the sample. thirty respondents served as the sample size for this investigation. prenatal massage employing an observation sheet served as the independent variable research tool, and the numeric rating scale (nrs) pain scale was used to measure the independent variable of decreased back pain. the wilcoxon test was employed in non-parametric statistical analysis of the data. the average number of 2.67 indicated that there was a reduction in discomfort during prenatal massage, according to the data. after hypothesis testing, asymp. sig. (2 - tailed) < 0.001 was achieved. a p - value of 0.001 was found in the study on the efficacy of prenatal massage in reducing back pain, specifically in terms of the reduction in back pain that followed prenatal massage. in summary this study at malinau public hospital demonstrated that prenatal massage was beneficial in lowering complaints of back discomfort among expectant mothers in their third trimester. keywords: prenatal massage, back pain, third trimester pregnant women