So confused

Ok so I got a vvvvvvfl on a test at like 6/7DPO and never got one again since (currently 11DPO).. I had 3 days of pink spotting after this test. Have not had a period yet though. Could this have been a chemical pregnancy? Pic included of vvvvvvvvfl - wasn’t an evap because it showed within 3 mins