Brown Discharge 😕

Nikki • 08-11-17 💗
Hello Ladies. 
Bit of advice needed. So since last Thursday I have had some brown discharge. According to this ap I was ovulating the week prior & im due my period this weekend. I also did bleed alittle after sex during this time so kept away from hubby thinking I was coming on my period, but haven't. 
Have any of you had this before? 
When I google it says implantation bleeding & that I'm in earliy statges of pregnancy. So it gets my hopes up 🙁 so much so that I don't want to take a pregnancy test 🙁 
I also did for 1 morning have a metallic taste in my mouth & ive been having vivid dreams. But as I'm sure many of you know by now this means nothing 😩