Well, I took the Plan B One-Step pill the day after I had protected sex but took it as prevention for some of my boyfriends pre-cum got on the condom, its been 3 days after I took this pill and I woke up due to severe nausea and stomach pains, also I have been feeling bloated, my breasts are a bit tender, during the days after I took it I have had bad cramps, is this the pill or could I be pregnant ?