How accurate is the due date?

Only about 5% of babies are born on the exact EDD (Expected Date of Delivery) given to them. This date is an estimate based on an average 40 week pregnancy. The most accurate way to determine the date is the ultrasound scan done at 12 weeks.

How to calculate the due date of the baby?

According to Naegele's rule: Counting back 3 months from the date of the last menstrual period (LMP), adding 7 days and a year. Or: LMP + 280 days.

Kesehatan ibu

Tanggal lahir bayi (EDD)

Etung tanggal tanggal adhedhasar periode menstruasi pungkasan

Medically Reviewed:

Dr. Priya Sammani, MBBS, PG Dip. FM

Updated on: April 2026

❓ Frequently Asked Questions (FAQ)

Carane akurat tanggal tanggal?

Mung udakara 5% bayi sing lair ing EDD (Tanggal Pangiriman sing Dikarepake) sing diwenehake. Tanggal iki minangka perkiraan adhedhasar rata-rata meteng 40 minggu. Cara sing paling akurat kanggo nemtokake tanggal yaiku scan ultrasonik sing ditindakake ing 12 minggu.

Carane ngetung tanggal lair saka bayi?

Miturut aturan Naegele: Ngetang maneh 3 sasi saka tanggal haid pungkasan (LMP), ditambahake 7 dina lan setahun. Utawa: LMP + 280 dina.

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Organisasi Kesehatan Dunia (WHO) lan pedoman medis klinis lan persamaan standar sing diakoni sacara internasional.

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Medical Disclaimer: These calculators are provided for educational purposes only and are not a substitute for professional medical advice. Always consult a qualified physician regarding any health concerns..