True due date?

Jackie • 29. Married 🥰 💜Juliette Feb2019💜 🌹Scarlett March2022🌹

I have two due dates apparently, how do I know which one it really is? Very frustrating 😞 I should be 7 weeks plus 2 days based on lmp but yesterday they put me at 6 weeks.... confusing as heck..😕