11dpo and spotting

Teri-lyn • 27 engaged mommy to lincoln 05.11.2016
Iam cycle day 27 and 11 dpo my last couple prenacey test iv taken have had a small shadow almost and a very faint pink line i woke up this morning to go to the washroom wiped and there was a tiny  bit of blood on the tp can i still be pregnant or is the prenacey test wrong ? Help its an off ish brown red  should i still take a test tomrrow . Iam still three days from my period :(