33 wks pregnant fever and headache don't know why?

Needs evaluation: At 33 weeks if you are experiencing headache and fever then prompt evaluation by your obgyn is warranted. Contact them to ask for further instructions.

Go to Ob...: At 33 weeks with fever and a headache, you need to be seen in Ob Triage at your hospital. They will make sure you don't have the flu or a uterine infection and other possible things. Best wishes!