af is still not here ..

Daviii • Taken & Engaged 😍 8 years strong with my love!. Mommy to my gorgeous love Sahara! Pregnant😍😍 Finally after mc 2 years ago .

today I'm suppose to start .. and af is still not here .. my boobs still sore and nipples are way sensitive I've had cramping and I had light pink discharge 3 days last week but it was every other day. .. I don't know what's going on. I've take 3 test already and were neg.. two clear blue digital and a first response .. please any advice on what I should do.. Helppp!!