OVA Period Pain Reliever. Ova is the fast and easy way to zap away the pain, with no drugs or medication. Period pain is a chore, you feel groggy and doubled-up in pain. What's the solution? Well you can't work with a hot-water bottle strapped to your abdomen, but you can zap those cramps quickly and easily with the discreet Ova. It clips onto your trousers or skirt and the sticky-pads which block the pain are stuck onto your painful areas. Ova is a digital unit, with 3 button control and 3 preset pain-killing and relaxation programmes. So buy this OVA Period Pain Reliever Now £27.99.