Latar belakang: Kehamilan merupakan kondisi fisiologis yang dialami wanita. Dalam proses kehamilan menimbulkan berbagai perubahan yang terjadi dalam tubuh baik secara fisik maupun psikis. Nyeri kram kaki ditemukan sekitar 80% pada ibu hamil trimester III, salah satu cara untuk menangani nyeri kram kaki dengan rendaman air hangat. Penelitian bertujuan menganalisis pengaruh rendam air hangat terhadap nyeri kram kaki ibu hamil trimester III di PMB “JS”, Bangli. Metode: Jenis penelitian kuantitatif pre-eksperimen desain one group pre-post test. Sampel penelitian ibu hamil Trimester III sebanyak 33 orang, responden diberikan perlakuan dengan mengukur tingkat nyeri kaki sebelum direndam air hangat dan setelah direndam air hangat setelah 20 menit dengan suhu 39C dengan menggunakan kuesioner. Analisa data menggunakan tehnik uji wilcoxon. Hasil: Sebagian besar ibu hamil berusia 20-35 tahun sebanyak 27 ibu (81,8%), dengan tingkat pendidikan SMA sebanyak 22 orang (66,7%) dan ibu bekerja sebanyak 25 ibu (75,8%). Nyeri kram kaki sebelum diberikan rendaman air hangat ibu hamil mengalami nyeri sedang sebanyak 15 ibu (45,5%). Nyeri kram kaki setelah rendaman air hangat sebagian besar ibu hamil mengalami nyeri ringan sebanyak 18 orang (54,5%). Berdasarkan uji wilcoxon p=0,000

Background:Pregnancy is a physiological condition that is experienced by women. In the pregnancy process, there are various changes that occur in the body both physically and psychologically. Leg cramps pain is reported to be around 80% in third trimester pregnant women, one way to deal with leg cramps pain is with a warm water soak. The study aimed to analyze the effect of warm water soaking on leg cramps pain in third trimester pregnant women at PMB “JS”, Bangli. Method: This study employed pre-eksperimen quantitative research with one group pre-post test design. There were 33 pregnant woment in third trimester recruited as participant of the study. The participants were given treatment by measuring the level of leg pain before being soaked in warm water and after being soaked in warm water after 20 minutes in 39°C. The data were collected by using questionnaire and analyzed by using Wilcoxon test technique. Result: The finding showed that there were 27 pregnant women (81.8%) aged 20- 35 years, there were 22 participants (66.7%) had high school education background and there were 25 participants (75.8%) were working mothers. There were 15 pregnant women (45.5%) experienced moderate leg cramps pain before being soaked in warm water. There were 18 pregnant women (54.5%) experienced mild leg cramps pain after being soaked in warm water. Based on the Wilcoxon test p=0.000