hi, i m 24 yrs, i had unprotected sex on 18/2 till 22/2, my last period was on 9/2,.. my next period will be 15/3. today 14/3 i loss my breast tenderness, bloating and spotting brown cm.. i had breast tenderness and bloating for about a week, with upper back ache, leg cramps .. but suddenly today everything is gone... is this misscarriage or af??? pls help me