Pregnancy is a physiological process that causes anatomical, physiological, and psychological changes in the mother’s body, especially during the third trimester, which often leads to discomfort such as back pain. Back pain occurs due to changes in body posture, ligament stretching, weight gain, and shifts in the body’s center of gravity that increase pressure on the lumbar area. This condition may interfere with daily activities, sleep quality, and the psychological well-being of pregnant women. This case study aimed to provide Continuity of Care (CoC) midwifery care for Mrs. S, a 23-year-old pregnant woman experiencing back pain at Batu Kajang Public Health Center, Paser Regency. The method used was a descriptive case study approach applying Varney’s midwifery management and SOAP documentation. Comprehensive care was provided from pregnancy, childbirth, postpartum, newborn, neonate, to family planning services from February to May 2026. The results showed that third-trimester back pain decreased after health education, prenatal yoga, and continuous support were provided. Labor progressed normally with mother-friendly care and counterpressure techniques to reduce labor pain. Postpartum, neonatal, and family planning care proceeded physiologically without complications. The baby was born healthy and received vitamin K injection, HB0 immunization, and congenital hypothyroid screening. In conclusion, the implementation of Continuity of Care effectively improved the quality of comprehensive midwifery care and helped overcome discomfort during pregnancy. It is recommended that healthcare providers enhance continuous midwifery services through education, early detection, and non-pharmacological interventions to improve maternal and neonatal well-being. Abstrak Kehamilan merupakan proses fisiologis yang menyebabkan perubahan anatomis, fisiologis, dan psikologis pada tubuh ibu, terutama pada trimester III yang sering menimbulkan ketidaknyamanan berupa nyeri punggung. Nyeri punggung terjadi akibat perubahan postur tubuh, peregangan ligamen, peningkatan berat badan, dan perubahan pusat gravitasi tubuh sehingga meningkatkan tekanan pada daerah lumbal. Kondisi ini dapat mengganggu aktivitas sehari-hari, kualitas tidur, serta psikologis ibu hamil. Tujuan studi kasus ini adalah memberikan asuhan kebidanan secara Continuity of Care (CoC) pada Ny. S usia 23 tahun dengan keluhan nyeri punggung di Puskesmas Batu Kajang Kabupaten Paser. Metode yang digunakan yaitu penelitian deskriptif dengan pendekatan studi kasus menggunakan manajemen kebidanan Varney dan dokumentasi SOAP. Asuhan dilakukan secara komprehensif mulai dari masa kehamilan, persalinan, nifas, bayi baru lahir, neonatus, hingga keluarga berencana pada Februari–Mei 2026. Hasil asuhan menunjukkan bahwa keluhan nyeri punggung pada trimester III dapat berkurang setelah diberikan edukasi, prenatal yoga, dan dukungan berkelanjutan. Persalinan berlangsung normal dengan penerapan asuhan sayang ibu dan teknik counterpressure untuk mengurangi nyeri persalinan. Masa nifas, neonatus, dan KB berlangsung fisiologis tanpa komplikasi. Bayi lahir normal dan mendapatkan vitamin K, imunisasi HB0, serta skrining hipotiroid kongenital. Kesimpulan menunjukkan bahwa penerapan Continuity of Care efektif meningkatkan kualitas asuhan kebidanan secara komprehensif dan membantu mengatasi ketidaknyamanan selama kehamilan. Saran bagi tenaga kesehatan diharapkan dapat meningkatkan pelayanan kebidanan berkelanjutan melalui edukasi, deteksi dini, serta intervensi nonfarmakologis untuk meningkatkan kesejahteraan ibu dan bayi.