Hello, I am 21 years old and pregnant with twins. I am 19 weeks pregnant. I have had headache for 4 days. Today I had a dizzy spell and felt my arms numbs so I quickly ate and felt a little better. Still dizzy since the morning and have fast heart rate , headache, nausea , slight arm numbness and dizzines.. My hands are freezing and im shaking. OH im also out of breath. What should i do please. Im home alone