HealthDo Menstrual Pain Relief Devices Work?KamraFebruary 16, 2022November 6, 2022 by KamraFebruary 16, 2022November 6, 20220540 The Ovira device is a drug-free, wearable, discreet menstrual cramp reliever. The Noha works by sending mild electrical pulses to the lower abdominal area, fooling...