Asking lang mga Momshie ano ba ang True EDD ultrasound or Yon EDD calculation ng OB ?

Base on my OB EDD Calculation February 13 and sa EDD ko sa Ultrasound February 21 ? first time mom here I'm 39 weeks & 4 days today worried na kase ako 3 days na lang Due date ko na No sign of Labor pa din 😔 gusto ko na Makaraos 🙏🏻🙏🏻🙏🏻 na gugulohan din kase ako iba ibang date ng EDD ko sa Ultrasound 🤦🏻‍♀️ 1st Ultrasound EDD FEB 22, 2021 2nd Ultrasound EDD FEB 21, 2021 3rd Ultrasound EDD MARCH 1, 2021 LMP ko is MAY 05,2020 #1stimemom #advicepls #pleasehelp