4 days late !!!

sara • Trying for baby #1

I always have 27-29 cycle and now it’s day 33, I took a test two days ago and it was negative. My periods are ALWAYS sooo regular it’s ridiculous. This is the lasted I’ve been in years. I have severe bloating and back ache but I still think I’m getting my period. Any suggestions besides take another test..? I’m gonna wait a few more day and if it doesn’t come I’ll schedule a doctors appointment.