emotional 😭 and possibly prego

Emotional 😭 and possibly pregnant 🤰 . So I have been very emotional yesterday n here and there other days I have been feeling with nausea, bloted with some gas (sorry tmi ) sore boobs,constipated,pee a lot , headeaches , swollen ankles and lower back pain and my partner and I use withdrawal method and I'm currently 4 days late is the possibility I'm pregnant 😭?