Skip to content
Third Trimester (Weeks 28 - 40) Week 40 of 40
Last reviewed by medical team: June 2026 Evidence-Based Care Check
Fetal Size Comparison

Week 40 Size: Pumpkin

About the size of a round pumpkin.

Length 51.2 cm 20.2 inches
Weight 3500 g 123.5 oz

Relative Visual Scale

Solid circle represents your baby's size. Dotted circle shows the full-term week 40 size threshold.

Inside The Womb

Baby's Development

Happy due date week! The baby is fully developed and ready to meet you. About 5% of babies are born exactly on their due date, so don't worry if they take a little longer.

Weekly Milestones

  • Estimated Due Date
  • Ready for Delivery
Maternal Health

Your Body & Symptoms

Your doctor will monitor you closely. They might discuss induction options if you go beyond this week. Try to remain calm and positive.

Common Symptoms this Week

Labor signs Extreme pelvic pressure Contractions Impatience

Doctor & Care Recommendations

  • Keep in close contact with your medical provider.
  • Remember that anything from week 37 to 42 is a normal window for delivery.
  • Practice deep breathing and visualization exercises to prepare for labor.

Weekly Health Guides & Resources

Trimester Guide

Third Trimester Guide

Read comprehensive clinical milestones, screening checklists, and developmental guidelines for this phase.

Explore Trimester →
Common Symptoms

Track & Relieve Symptoms

Learn why symptoms occur, home remedies, and clinical indicators for this week:

Pregnancy Nutrition

Food Safety Checklists

Verify safety statuses, listeria and mercury risks, and safe alternatives for:

Full Nutrition Guide →

Frequently Asked Questions: Week 40

💌

Get weekly pregnancy updates

Sign up to receive developmental milestones, medical symptoms, and expert tips tailored to your specific week of pregnancy.