What Causes Headache, Runny Nose And Fluttering Feeling?

Age: 31 Weigh: 120 Height 5'2 1/2...(Trying to conceive) I have the following symptoms...Only 6 dpo but just curious if they are relevant... For the last few days I have had these symptoms some are gone some are still here...Symptoms: pain on side, headache, runny nose, sore calves like I was working out (did not work out), small fluttering feeling, irritable