Free tools/Pregnancy/Due date & pregnancy week
Free tool · 1 minute · Private

Due date & pregnancy week

Your estimated due date, how far along you are and key dates ahead.

When to get urgent helpCall your care provider or go to the hospital now for vaginal bleeding, fluid leaking, severe tummy pain, a severe headache or vision changes, fever, or if your baby is moving less than usual. In an emergency, call 911.
Important

This tool gives general information only. It is not a diagnosis or medical advice and does not replace care from your doctor, nurse practitioner, midwife, dietitian or pharmacist. Your answers are calculated in your browser and are never sent to us or stored.

Only a small share of babies arrive on their due date; most are born between 37 and 42 weeks. Your care provider may adjust your date after an ultrasound.

Article · 4 min read

How Is Your Due Date Calculated? Naegele's Rule, Ultrasound and What 'Term' Really Means

Learn how your due date is calculated from your last period, why early ultrasound can change it, and what term, trimesters and 37 to 42 weeks really mean.

Read the article→