Im 19 119lbs n 5'4. Im not sure of my entire medical history. My mom side there's diabetes, high blood pressure, anemia, different forms of cancer, and some type of heart issues. My dad side there's anemia, high blood pressure, and some forms of cancer. My question is im 8 weeks 2days pregnant. I keep having this racing hard heartbeat. It feels as if I just got finished racing. Why is that and how do I get it to stop?