Cut Linarss; Muammar. EFFECTIVENESS OF PREGNANCY EXERCISES AGAINST BACK PAIN IN PREGNANT WOMEN AT BPM (MIDWIFERY CLINIC) DEVI ANDRIANI CITY LHOKSEUMAWE: EFEKTIVITAS SENAM HAMIL TERHADAP NYERI PUNGGUNG PADA IBU HAMIL DI BPM (KLINIK BIDAN) DEVI ANDRIANI KOTA LHOKSEUMAWE. AJoHI 2025, 1, 20.