This might be me freaking out a little. I had unprotected sex during the later days of period and took plan b literally the next day. I experienced some withdrawal bleed four days. Then about more than a week later I experienced some yellow discharge with red steaks for two days. Then on valentines day had protected sex. Now I feel (probably psychosymatic) menstrual symptoms (bloating, moody, etc) with no bleeding. I'm just worried about being pregnant and I just want my period.