Girls, hello everyone. I apologize in advance for a stupid question) F…

Girls, hello everyone. I apologize in advance for a stupid question) First pregnancy and you don't know what to expect. Inside down there is such a cutting pain, like they're cutting with a knife, unlike during training. What could it be? And the baby started crying nonstop. I'm afraid not to notice how contractions will start. But, as it were, I understand that contractions can't be missed. But, what if...