Pregnancy Due Date (EDD)
Calculate your Estimated Date of Delivery and track your trimesters based on your Last Menstrual Period.
212835
Select your LMP date to view results.
Estimated Due Date
--
Gestation
--
Trimester
--
Clinical Note: Only about 5% of babies are born exactly on their due date. It is completely normal to deliver anytime between 37 and 42 weeks. Confirm dating with a clinical dating ultrasound around 10-13 weeks.
About this calculator
Enter the first day of your last period to estimate your delivery date using the standard 280-day rule. An early ultrasound may adjust the date.
Results are for information only and are not a diagnosis. Consult a doctor for medical advice.
Frequently asked questions
How accurate is a due date?
Only about 5% of babies arrive on the exact date; most are born within 2 weeks either side.
What if my cycle is irregular?
Your doctor may date the pregnancy by ultrasound.
Related reading
Early Pregnancy Symptoms: Signs, When to Test and What to Do Next
Common early signs of pregnancy, when to take a test, folic acid, foods and medicines to avoid, warning signs of ectopic pregnancy and miscarriage, and your first antenatal steps in Sri Lanka.