HELP!!! 102.6 FEVER

I have had a slight fever since this morning.. it finally broke to 101.6 then back down around 530. it is now 1042pm and i have 102.6 fever. i have aches and pains and chills.. slight cough and some tellow boogies. this is my second baby.. only 4 weeks 3 days pregnant. this is a blessing as the last 3 were miscarriages. im scared im losing the baby!! ive done tylenol.. been resting... cover when im freezing but undress when chills are gone.. cold wash cloth.. forcing to eat.. lots of water. please help im so scared.