1 day late symptoms

H.

So, I have blue nipples & veins on my boobs, dull aches on side of my lower belly but not cramps, and slimy, yellow, medium amount of CM.

Pregnancy test in late evening - Negative via Clear blue digital 😥

But,,,, SO has terrible cold & 4 the 1st time, is experiencing lower belly cramps!

What is going on?!