Help! A week early last month a week late this month bfns!

[JRMwife]

Hello it's been along time since I've been on here but anyways I need some help...last month I was a week early(11/24) now I'm a week late and I have been having normal 28 cycles..im so confused and done spent a pretty pennies on test..only symptom I've had is sore and enlarged breast for about 2 weeks now...has anyone else had this problem I know if I don't start by the 1st I'm gonna make a Dr appointment but the wait is gonna drive me crazy until then...any help
Or words of encouragement would B nice! Much love and happy New Year's to yall!