Number of menstrual periods per Y:NRat:Pt:^Patient:Qn
number of menstrual periods per y:nrat:pt:^patient:qn
Number of menstrual periods per Y:Number=Count/Time:To identify measures at a point in time:^Patient:Quantitative
number of menstrual periods per y:number=count/time:to identify measures at a point in time:^patient:quantitative