Pregnancy Here

The estimated age of the pregnancy, calculated from the first day of your last menstrual period (LMP).

Measurement from the top of the head (crown) to the bottom (rump). This is the most accurate way to date a pregnancy in the first trimester. pregnancy

Scan reports often use abbreviations to describe fetal development and maternal health: The estimated age of the pregnancy, calculated from

The details included in a report change as the pregnancy progresses: The estimated age of the pregnancy

The measurement of the baby's head width, usually recorded after the first trimester.