I'm around 7 weeks along. I've had very tender breasts the whole time and constant nausea the last week or two. Suddenly, I no longer feel pregnant. My nausea is missing and my breasts are only a little sore (if i put pressure on them). I'm really nervous that something is wrong. I don't have my first appointment/sonogram for another 2 weeks. I'm not spotting or cramping, so no obvious miscarriage signs. Has this happened to anyone else?