I had unprotected sex 2 weeks ago while it was high fertility and took a plan b 3 days after but I've been cramping since my last period. I started a light period on Saturday (February 28th) it was a about 2 weeks early. I've taken a plan b a few times before and have started early but they were always heavy periods. Yesterday my boobs became sore and still are sore. I've also been having headaches every day off and on, just like my cramps. I've also been going to bed a lot earlier then usual. Last night I got 10 hrs asleep, woke up twice and used the bathroom. I can't really say if my hunger has changed cause I'm always hungry but have been feeling nauseous if I don't eat right away. So I guess I'm just wondering if I could be pregnant? I would love to be but I'm sure the boyfriend doesnt.