hi , i had once been diagnosed with a cyst for a missed period 4 years ago... this year i had a period lasting more than a month and had a ultrasound and a tensvaginal ultrasound that revealed nothing but follicules around one ovary... i wasprescribed birth control that stoped the bleeding. Becasue of my high bp i stopped using the bp 5 months after . i had 2 normal periods then this month i started spottting its been 10 days now of at first brown to now period red spotting that is more like a "whipe spotting" that does reach my underwear... what could be the cause of this :(...i am 21