The best way to record menstruation history is

A、Ageatmenarche(durationofperiods/frequency)lastmenstrualperiod;
B、Ageatmenarche(frequency/durationofperiods)lastmenstrualperiod;
C、Ageatmenarche(durationofperiods/ageatmenopause)lastmenstrualperiod;
D、Ageatmenarche(frequency/durationofperiods)ageatmenopause