confused and frustrated

hello ladies,

so I have been ttc for almost 2 years now and it finally happened so I thought. I have taken several tests first 2 postive the rest say negative. had appt today with ob still got negative urine test. waiting on results for blood test. have all the symptoms of being pregnant nausea tender breast moodiness sensitivity to smell and no period since Feb. could I be pregnant or is this a phantom pregnancy?