any time you have unprotected sex you have the risk of getting pregnant, the pull out method is not birth control, your boyfriends pre *** has sperm in it, so even if he doesnt ejacualte inside of you you still run the risk of little swimmers. anyways id wait a week and test again if you dont get aunt flow since they arent regular..good luck!
I agree, you should take a test. I'm sure you probably already know this, but if you are not trying to get pregnant you should use a reliable form of birth control. You can still get pregnant using the pulling out method.
I would take a test, and for your heartburn, try to cut out your dairy products for a little bit and increase the amount of water you drink. Dairy can actually make heartburn worse, especially drinking milk, it curdles with your stomach acid. It should only take a couple of days, if that doesn't help, I would see about maybe getting some prevacid.
You very well may be pregnant. You should be able to get an accurate result today..... Try EPT with +/- signs so your not guessing if there are 2 lines
GOOD LUCK