Naegele’s Rule

Naegele’s rule is used to determine the due date for a pregnancy. The calculation is simple.

  • Take the last day of a woman’s last menstrual period
  • Add 1 year
  • Subtract 3 months
  • Add 7 days

Example:

LMP = June 1st, 2017

  • Add 1 year (June 1st, 2018)
  • Subtract 3 months (March 1st, 2018)
  • Add 7 days (March 7th, 2018)

Check back soon for some practice questions!