CTM and TENS each relieve dysmenorrhea pain, but they do so by different. The electrotherapy modality that is most commonly used in the treatment of dysmenorrhea is TENS. It has been reported in studies that high-frequency TENS is more effective in reducing pain than either low-frequency TENS or placebo TENS.
A scan of the literature reveals that although there are differing opinions and applications related to the number and duration of CTM, it has been shown that women with primary dysmenorrhea experience reduced pain after CTM,