Ref (type)	Population	Outcome, Interventions	Results and statistical analysis	Effect size	Favours
Adverse effects
RCT	61 women with primary dysmenorrhoea, aged 20 to 40 years	Adverse effects with specially designed cotton acupressure brief containing 10 latex foam pads fixed over lower abdominal and lower back acupressure points with waiting list control, who received usual care