i took three pregnancy test last week two where positive and the other had a faint line in the positive screen, so i called a doctor and they told me that i was more in likely pregnant to start taking prenatal vitamins and folic acid so i did and to wait two weeks to take another test and to take my nuva ring out so i did...well now i'm bleeding it's not heavy i dont have to use anything and i have been cramping really bad and i took another test and it came back negative whats going on...i have an appointment to see the doctor on thursday and that so far away so can somebody give me some advise on whats going on here!!!