Siregar, Siti Arfah, and Rismaida Saragih. 2026. “THE EFFECT OF GYM BALL USE DURING PREGNANCY ON THE LABOR PROCESS AT THE INDEPENDENT MIDWIFE PRACTICE OF SUPIANI, S.KEB, MEDAN DELI SUB-DISTRICT”. Journal of Innovative and Creativity (Joecy) 6 (1):9518-26. https://doi.org/10.31004/joecy.v6i1.8227.