primary dysmenorrhea n painful menstruation that is intrinsic to menstruation and not the result of a disease
News & Articles primary dysmenorrhea Research and Markets: Primary Dysmenorrhea - Pipeline Review, H2 2013 Research and Markets has announced the addition of the "Primary Dysmenorrhea - Pipeline Review, H2 2013" report to their Aug. 7, 2013 - Business Wire via Yahoo! Finance