Week 40

Third Trimester

Your Due Date

This is the week your due date falls. Only 5% of babies arrive exactly on their due date — but you are ready, and baby is coming.

Due date — 40 weeks

This week's tip

💡 Stay hydrated, eat what sounds good, and rest as much as you can — your body knows what it's doing, and you are ready for this moment.

Baby this week

🎃

About the size of

a large pumpkin

Length

51.2 cm

Weight

3.40 kg

Development

  • Baby is fully developed in every way.
  • Vernix may still coat parts of the skin.
  • Baby's organs are all functioning.
  • Eyes can focus at close range — perfect for seeing a parent's face.
  • Baby is ready for the world and for you.

How you might feel

  • You may go into labor this week — or you may not yet.
  • Your care team will monitor you closely.
  • Induction may be discussed if you go past 41–42 weeks.
  • Rest is the most important thing you can do right now.

Things to do this week

  • Stay in close contact with your care team
  • Know when to go to the hospital — have the numbers ready
  • Eat and stay hydrated
  • Trust your body — it has been preparing for this for 40 weeks

When to contact your care team

This is general guidance, not medical advice.

  • Contact your care team if you feel reduced movement at any point.
  • Contact your care team if you are past your due date — they will guide next steps.

Partner tip

This is it. Be fully present, fully patient, and completely available. The moment your family becomes three (or more) is about to happen.