Pregnant or not

Jennifer • Mother of 4. A 10 year old 🙍🏾, my 👼🏽is watching over us, my 👧🏽👧🏽 🌈babies & 🤰🏽with our last 👧🏽

I’m on the pill but when I miss I double up. I’ve been experiencing breast soreness for two weeks now. Last wed I was spotting nothing Thursday Friday-sun it was light but nothing to soak a pad.. my period wasn’t due until this Tuesday-Wednesday. Could this be implantation bleeding am I pregnant or what. When should I test