If you're a student or educator posting about an assignment, keep it direct.

If you’re sharing the big news or marking the final countdown, focus on the excitement rather than the exact "deadline."

: Most doctors use Naegele’s Rule : Add 7 days to the first day of your last period, then subtract 3 months ( Healthline ).

: Only about 4% to 5% of babies are born on their exact due date ( Tommy's ).