[taylalatbh.]

Like the others have said, don't let yourself get worked up before you know anything for certain first. It's important that you take a pregnancy test if you feel like you might be pregnant. There's no need worrying about anything until you know for sure.

There could be a number of reasons why your period is late, with stress being the biggest factor. There also could be an issue with your system so if the test is negative then you might want to see a doctor. If you normally have irregular periods then it might be a good idea to go on some form of birth control. You'll be protected from pregnancy and you'll also have a good idea when your periods will arrive each month.

As for buying a pregnancy test, you just need to do it. You could take a friend with you if that would make it easier but it's definitely something that you'll want to do sooner rather than later.