Pregnant!! šŸ˜°šŸ˜°šŸ˜°

So i went 16 days late for my period finally took a Pregnancy test yesterday and came POSITIVE..Ā 
I am scare.. What to do next? I check my due date on app and says im already 6 weeks.. Helpppppp!!! Should i go to the ER? Been having headaches and ovaries hurt like period comming!!!Ā