TMI: is this implantation bleeding?!

TTC4BFP
Ladies, this month marks the two year ttc mark. 
My husband has low morphology and we went through two IUIs. The first one was unsuccessful and I'm currently in tbr TWW for the second one. Today is 7dpo and I noticed this faint pink spotting when I wiped. 
Tmi: I've also had enlarged nipples for the past three days. 
I have prayed and prayed!!! Hoping Lord answered my prayers!!
So if you had implantation before you BDP Please tell me, does this look like implantation to you?!

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