Estimated date of birth
NCLEX-RN glossary · Health Promotion And Maintenance
Definition
The projected delivery date of a fetus, calculated using Naegele’s Rule by subtracting three months and adding seven days to the first day of the last menstrual period.
Estimated date of birth in plain English
It establishes the timeline for essential prenatal screenings, fetal growth evaluations, and the identification of post-term risks. A common mistake is arithmetic errors in the calculation, specifically adding 7 days but failing to subtract 3 months or adjust the year correctly.
Sign up free: all 276 NCLEX-RN terms as flashcards, plus practice questions with full explanations →
Related NCLEX-RN terms
NCLEX-RN practice questions · NCLEX-RN flashcards · NCLEX-RN study guide