HELP Could i be pregnant?

So today my period was suppose to start it didnt come me and my husband have been ttc for 5 months now i was to excited that it didnt come so i went and took a pregnancy test (first response) and 2 lines showed!!!!! but im trying not to get my hopes up to much because one of the lines are really really light and not as dark as the other one plz help what does this mean!!!im soo anxious i really hope i am