I definately agree....you need to talk to your folks and if you aren't comfortable with that talk to a counsellor at school tomorrow but......not one of your friends if you think it is something physical because there is no way they can know at that age. If you thought you might be pregnant did you miss your period or was it late? Remember as girls when we are upset, don't eat right or even go to extremes with weight loss our periods will either stop or be late. As far as a heartbeat in your stomach that is pretty much normal because of the way we are built...not just women but men too....we have main arteries that run completely thru the center of our body that our blood goes thru and if you are wearing low rider jeans or tight pants that can definately do it for you. As far as you and your BF breaking up a couple of days ago....trust me you probably won't even remember his name when you turn 20 and as my grandpa said....."If your puppy (your boyfriend) gets run over you have to get a new puppy to forget about the first puppy" Makes sense to me.....take care of you Stephanie i think you are super upset by what is going on w. things around you and the chances of something being wrong w. your heart is like one in a million at 15.....unless you have an eating disorder and then you may have something wrong if you're losing lots and lots of weight. Your mom, dad or grandparents are supposed to be your BFF so use them...talk to them....they love you i'm sure.......
I think you need to tell your parents your stomach is bothering you and you need to go to the doctor. It could be stress...I can't eat when I'm stressed but you don't want to blame it on stress until the doctor tells you nothing is wrong. You can talk to the doctor about your other concerns once you get there if you are still worried about being pregnant. Good luck.
I hope one of our women on the Community will comment.
I'm sure we will all recommend you discuss you symptoms with you parents.