ActiLady refers is employing targeted pressure waves, with the goal of reducing the pain associated with menstruation (clinically known as dysmenorrhea).

Inclusion Criteria:

1. Women aged 18-35 years
2. Regular menstrual cycles (26-35 days); average duration of menstruation ≥5 days for the 4 months preceding the beginning of the trial.
3. Dysmenorrhea pain score >50mm on a 100mm visual analog scale (VAS) for the maximum abdominal pain
4. Analgesic use during every menstrual cycle
5. Non-pregnant, with no intentions to get pregnant during the clinical trial
6. Agrees not to use oral contraceptives or an intrauterine device (IUD) during the trial period
7. Agrees not to use analgesics, except during permitted period (16:00-04:00 the next day, daily)
8. Consents to the use of pads or other vaginal devices throughout the trial period
9. Subject is able to comply with all the requirements of the study and agrees to participate in all the activities of the study
10. Signed written informed consent form (ICF) to participate in the study

Exclusion Criteria:

1. Pregnant or lactating women
2. Used hormonal and/or oral contraceptives in the preceding 4 months
3. Use of an IUD in the preceding 4 months
4. Previous diagnosis of secondary dysmenorrhea
5. Urinary incontinence
6. Duration of menstruation is <5 days
7. Subjects with a known sensitivity to mechanical vibrations and/or silicone
8. Participation in current or recent clinical trial within 30 days prior to baseline visit