All right so here it is... I'm a mom of one and i need to know the likelyhood of being pregnant after doing the deed with no protection on O-Day. I feel like an id**t because I'm looking for the possibility of not being. I have tender/tingly/ full feeling chest area, mind nasea, very tired, some cramping and my mind won't stop waundering around from topic to topic. I should know these answers, my mind doesn't want me to remember but i need to know! Please help me. If my age in necessary to know i'm 21 and very healthy with a very healthy toddler. Thank you all for future imput on this topic.