my period usually stays on for about 7days it came on feb. 26th for two days it was normal and then it was a very light brownish pinkish color after that i have been having a clear snotty discharge it doesnt have an odor or anything i also have been vomiting and very tired lately i took a pregnancy test it said negative but my friends say i took it to early can anyone help me i just want to know if i am or not