Three days later i took a plan b, i didnt get any symptoms and a week later from taking the plan b i havent gotten my period. I dont have tender breasts well sometimes they get tender and i get light cramps sometimes and i get variouy stomach painsi do.urinate alot and srry if tmi but i.am getting this light yellow discharge everyday.I get my period in the beginning of the month, im still waiting. Could i be pregnant