Yes, it is too early to test for pregnancy.
As you may recall from your first two pregnancies (I'm making assumptions here!), that ttc is as much an emotional process as it is physical. Don't fall into the trap of over-analyzing every possible symptom as a potential pregnancy....it is an emotional rollercoaster! Remember: it takes 6-12 months for most women to conceive, so you could be going through this symptom-checking many times before successfully conceiving.
Have you been to the GYN recently, in order to have your annual check-up and baseline on your health?
In order to receive accurate results on a pregnancy test, you need to wait until you are expecting your period. Your LMP started...when? (Your GYN will need to know the date your last menstrual period started; it is irrelevant when it ended for tracking purposes).
Wait until mid-August when you would be expecting your next period (I assume your previous period began around mid-July), and if your period does not begin...that's when you test.