A mild fever and sore throat in very early pregnancy can feel really worrying, especially when you have worked so hard to get here. Paracetamol is generally considered the go-to for fever during pregnancy, but since you are so early along and heading for your beta test soon, it would be good to check in with your gynae or PD before your appointment just so they can advise you properly and put your mind at ease. Most mums I know who had a mild illness at this stage went on to have healthy pregnancies, so try not to spiral too much while you wait for your results.