Based sa LMP mo (December 14, 2022), conception ay around late December 2022 or early January 2023, usually around 2 weeks after your last period started, kaya most likely mid-to-late December or first week ng January! The EDD calculation using LMP is pretty standard (40 weeks from LMP), pero honestly ang TVS dating during early ultrasound ay mas accurate kaya if may difference sila, go with the TVS date na lang para sa peace of mind. A few of us moms noticed we got confused din because LMP-based EDD vs. ultrasound dating sometimes nagkakaiba by a week or two, pero as long as baby's healthy and growing properly, that's what matters most!