Suggest Remedy For Absence Of Periods

Hi I'm 29 years old and i have a an absent of my menstrual period for more then 2years now,like a year ago i spotted for like an hour then nothing again, its not painful when i have sexual intercourse everything seems normal besides me not have a period not to mention i had a baby 3and half years ago and i was on depo as soon as i left the hosp. for like a year after then.please help.