A study conducted by researchers from Western Sydney University and the University of Auckland has shown that acupuncture treatment significantly reduces period pain intensity, duration and symptoms over time, with improvements being sustained up to a year after treatment.

Primary Dysmenorrhea (period pain) is the most common gynaecological complaint in menstruating women with up to four in five women suffering at some stage during their reproductive years.

The pilot study involved 74 women aged 18-45 years with suspected or confirmed primary dysmenorrhea and no known cause of secondary dysmenorrhea from Auckland and Wellington in New Zeal…
Disorders and Conditions – Healthcanal.com