Hello, i had unprotected sex on the 24th a day or two after my period ended and took plan b on the 25th although he had not finished in me we wanted to be safe. Now since about 5 days ago I've been experiencing light spotting that has ranged from brown to red. I have experienced very light cramping but nothing too bad. Is this okay? My period is expected to start anywhere between the 14th and the 15th but i am aware that it can make your period come early or late. The thing is I do not feel like I'm pregnant and I'm showing no other symptoms but i want to be sure that this is not implantation bleeding.