Late and confused

Alice
So my cycle has always been regular within a 32-34 day cycle. I was on the pill for 6 years before getting married last year. I went of the pill in January and immediately went back to a 34 day cycle without missing a beat. While hubby and I are not actively TTC we are happy if it happens 
This month I had 3 days of brown spotting ( very light) a week before my period was due and then nothing! 
I am currently 13 days late but have had 3 negative pregnancy tests. The first was taken at the doctors 2 days before expected period (she thought I'd had implantation bleeding) and then another 3 days late and the third at a week late. 
I've had one strange dizzy spell and the past week my boobs have been sore to touch but other than that fine. 
Just wondering how concerned I should be... I have an appointment with my doctor in 2 weeks when she gets back from the doctors but worrying in the meantime 
Has anyone had anything similar? What was the outcome?

Glow Resources

Let’s Glow

Glow is here for you on your path to pregnancy

Glow helps you navigate your fertility journey with smart tools, personalized insights, and guidance from medical experts who understand what matters most.

25+ million

Users

4.8 stars

200k+ app ratings

20+

Medical advisors