What Is Day 1 of Pregnancy and How Is It Calculated?
Learn why day 1 of pregnancy is counted from the last menstrual period and how it helps estimate your due date accurately.
How to Accurately Code Weeks of Gestation?
Learn the correct method to code weeks of gestation based on the last menstrual period.
Is 5 Weeks Pregnant Actually 3? Understanding Pregnancy Calculations
Learn why 5 weeks pregnant is counted as 5 weeks and how pregnancy weeks are calculated from the last menstrual period.