How Can Abnormal And Irregular Menstruation Be Treated?

i have some questions regarding abnormal menstruation
since my daughter was born in april of 2008 my menstrual cycle has been very irregular. up until last month i was having a period every 2 or 3 months. i was seen by a physician earlier this month and she prescribed sprintec for hormone therapy and i have been taking the medication. i have some questions regarding the severity of my cycle at this time