Call for tests? Any insight?

We are ttc, I am over a week late and have no pms symptoms like I normally do ( bloating,excess eating, breakouts etc.) I have taken 3 tests, all everyother day since tuesday. All 3 have come back negative. I woke up nausea this morning and the scent of eggs made it worse. I'm lost. Keep taking tests? Call and request bloodwork? Any advice ladies, I was soo hoping for a bfp today but it came up bfn. /=