Need advice tmi!

Heather • Nursing student, raising two beautiful boys and have a loving hubby! I`m the queen of my own castle!
Hey ladies! I am a serious question. My period was a week late then I got it but it was light and only three days. Today I started having sharp pains and went pee and I had brown blood. Wasn't A lot just in my CM.... I have an appointment on the 2nd hoping they can tell me what's going on. Have any of yall had this go on before???