possible anuersym?

So ive developed a headache for a month now its from the left temple and it goes to the back of my ear and neck the temple throbs and and hurts soo bad i had a mri done a few days ago they found nothing but i know a mri without contrast cant detect a anuersym so im so anxious now nothing relieves the pain my bp is normal and my cholestoral is fine plz help im a female 24yrs old weight 133 i am pregnant 10 wks im so terrified of it being this since i googled my symptoms and thats wat comes out