Pregnancy week 40
This week your baby is about the size of a small pumpkin — around 51.2 cm and 3462 g.
Your baby this week
You have reached week 40, and your baby is the size of a small pumpkin, fully developed and ready to be with you. All the organs work in harmony, the grip is strong, and the reflexes are ready for feeding and holding on to you. It is completely normal for the birth to come a few days after the estimated date, as few babies arrive on the exact day. Your doctor will keep a close watch on your wellbeing and your baby's right up to the moment of birth.
Your body this week
You may feel a blend of anticipation and impatience along with clear heaviness and pelvic pressure. Signs of labor can appear at any time, from regular contractions to your waters breaking or ongoing lower back pain. If you pass your due date, your doctor will discuss the next steps with you, since every pregnancy is unique, so do not hesitate to call about any sign that worries you.
Tips for this week
Stay calm and trust your body, as waiting is a natural part of the journey even past your due date. Keep in touch with your care team and attend any follow-up appointments if the birth is delayed. Enjoy these final moments of pregnancy and treat yourself to rest and support, for you are on the verge of an unforgettable meeting with your baby.
Frequently asked questions
How big is the baby at week 40?+
At week 40, your baby is about the size of a small pumpkin — roughly 51.2 cm and 3462 g, though every baby grows at its own pace.
Which trimester is week 40?+
Week 40 falls in the Third trimester.
How many weeks are left at week 40?+
At week 40, you have about 0 weeks to go until the typical 40-week due date.
Is week 40 normal?+
Every pregnancy is different. If you feel well and your check-ups are on track, week 40 is usually a normal part of the journey — but always reach out to your doctor or midwife with any concern.
This guide is for general information and reassurance — it isn't medical advice. Always follow your doctor or midwife for your own pregnancy.