Thanks for the suggestion. We just launched the Menstrual Cycle Tracker, which allows you to track your cycle, and PMS and PMDD symptoms.
You can add the Menstrual Cycle Tracker from the Women's Health Community.
http://www.medhelp.org/trackers/list/70
You can use the ovulation tracker to track your period. For each day you have your period, you can enter how heavy the flow was. In addition, you can track PMS and other symptoms. Hope that helps.
Thanks,
MedHelp