ROHAYA, Rohaya; ANA PERSARI, Devy; NOVITA, Nesi; WAHYUNI, Sari; JAMILA, Jamila; KAMALIA, Rita. The Effect Of Counterpressure With A Birthball On Reducing Labor Pain During The First Active Phase: The Effect Of Counterpressure With A Birthball On Reducing Labor Pain During The First Active Phase. NURSING UPDATE : Jurnal Ilmiah Ilmu Keperawatan P-ISSN : 2085-5931 e-ISSN : 2623-2871, [S. l.], v. 15, n. 1, p. 114–123, 2024. DOI: 10.36089/nu.v15i1.1966. Disponível em: https://www.ojsnhm.com/index.php/NU/article/view/1966. Acesso em: 25 apr. 2026.