My cramps feel weird, like underwear line, normal right but they feel sour.

Okay so, period cramps can definitely feel weird sometimes, and lots of different ways, not just one. It's totally normal for them to feel different from period to period, and even through one period. "Sour" is an interesting way to put it, and it probably means it's just a new or different kind of cramp feeling for you.

Cramps happen when your uterus kinda squeezes to push out the period blood, and those squeezes can feel like a dull ache, a sharp pain, or this weird pressure all around your lower belly and back. Sometimes it can feel like it's tightening, or even just a general discomfort that some people might describe in all sorts of ways, like "sour"!

If your cramps are bothering you a lot, there are a few things you can try. A heating pad on your tummy or back can feel really good and help relax those muscles. Gentle exercise, like walking, can also sometimes help. Drinking lots of water is important too, and sometimes certain foods can make cramps feel worse, so you might notice if dairy or really sugary stuff makes you feel more crampy.

Most of the time, those weird feelings are totally normal, especially when you're just starting out with your period. But if your cramps get so bad that they stop you from doing normal things, or if you're worried, it's always a good idea to chat with a trusted grown-up, like a parent or school nurse, just to make sure everything's okay.