How do you know if your pregnat?

Test and symptoms. A urine pregnancy test is highly sensitive, diagnosing pregancy even before the first missed period, and if positive, is almost always correct. Symptoms of pregnancy: breast tenderness, nausea, fatigue, to name a few.
Symptoms vary. Symptoms vary person to person. Some people are nauseated, have vomiting, breast tenderness, increased urination. Take a home pregnancy test to verify or see your ob/gyn doctor.