Its possible that you could be feeling that already, but I think really you know it's just kind of a wait until you either get a positive, or you get AF. Try testing again right when you get out of bed in the morning because the human growth hormone reads best then.
Anything is possible, especially if you're not on or weren't using any contraceptives. The tests could have been negative if it were too soon, or your levels were too low to read. I waited a month after a missed period to take a test, and got a positive. I waited that long just to be sure I wasn't going to start and was just running late as I was going through a lot of stress at the time, I was going through a break up with the biological father, then it was Christmas time and had travelling and gift buying. I just thought I was running late. Anything is possible though. If I hadn't missed a period (well I had 3 days of what was too light to consider a period and I believe now was implantation bleeding), I had no symptoms otherwise. Some women here I've noticed had tons of symptoms right off the bat, so you never know. Your doctor will let you know for sure at your appointment, so at least you'll be putting your mind at ease to find out! Good luck!
I would wait to take another pregnancy test again. Sometimes you have to wait days past your missed period. I just found out I was pregnant yesterday- 4 weeks along. I played the waiting game too. Good luck!
Thank you. I don't like the whole waiting game. Lol I just wish I knew now. I will prob take a test again before my appointment. I am hopping it is positive but if it is I am going to be so nervous also. I will be 30 soon and it would be my first.