Sensitive nipples 3 dpo

So my nipples are never sensitive to the touch. I usually feel no sensation in them at all.  
I am 3dpo and they are very sensitive.  Not sore but almost tingly.  My boobs aren't sore at all.  Anyone else experience this?  Possible early pregnancy sign?  My hub and I have been trying for about 7 months and I've never had this before.  Let me know if you've experienced this, thanks!