General information only — not medical advice. This page provides general, well-established information about pregnancy development and is intended for informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult your qualified healthcare provider with any questions about your pregnancy.

40 Weeks Pregnant

Q: What trimester is week 40 of pregnancy?

Week 40 falls in the Third Trimester. The first trimester covers weeks 1–13, the second trimester covers weeks 14–27, and the third trimester covers weeks 28 through delivery. This is a general informational guide — consult your healthcare provider for personalized guidance about your pregnancy.

Q: How many weeks are left at 40 weeks pregnant?

At 40 weeks pregnant, there are this is the estimated due date week (based on a standard 40-week pregnancy). Individual pregnancies vary — due dates are estimates, and normal delivery typically occurs between weeks 37 and 42. Always consult your healthcare provider for information specific to your pregnancy.

Third Trimester — due date week

Week 40 Week 40 (due date)

Week 40 falls in the Third Trimester — due date week. A standard pregnancy is counted as 40 weeks from the last menstrual period. Individual pregnancies vary — due dates are estimates, and normal delivery typically occurs between weeks 37 and 42.

Development at 40 Weeks

Week 40 is the typical estimated due date week. Most babies arrive within approximately two weeks before or after this date — only a small percentage arrive on the exact due date. The fetus is roughly the size of a small pumpkin. Your healthcare provider will monitor both parent and baby closely around and beyond this point.

Size Comparison

Approximate size — week 40

Small pumpkin (~51 cm)

Common Experiences at 40 Weeks

At the estimated due date, many people experience a mix of anticipation and uncertainty. Most babies do not arrive on their exact due date. Contacting a provider about any labor signs or concerns is important. Movement should still be regular. Many people find distraction and support from loved ones helpful during this waiting period.

Experiences vary widely between individuals. If you have concerns about any symptom, contact your healthcare provider.

General Planning Checklist — Week 40

These are general planning suggestions only — not medical instructions. Follow your healthcare provider's specific guidance for your pregnancy.

Attend all scheduled prenatal appointments — monitoring may be more frequent now
Know the exact contact information and instructions from your provider
Stay in close communication with your healthcare provider
Rest and lean on your support network during this waiting period

Nearby Weeks

38 Weeks Pregnant · 39 Weeks Pregnant · 41 Weeks Pregnant · 42 Weeks Pregnant

Frequently Asked Questions

What trimester is week 40 of pregnancy?

Week 40 is in the Third Trimester — due date week. The first trimester covers weeks 1–13, the second trimester covers weeks 14–27, and the third trimester covers weeks 28 through delivery. This is general information — your healthcare provider can give you guidance specific to your pregnancy.

How many weeks are left at 40 weeks pregnant?

Based on a standard 40-week pregnancy, week 40 means approximately Third Trimester — due date week with time remaining as noted above. Keep in mind that due dates are estimates — normal delivery typically occurs between weeks 37 and 42. Always follow your healthcare provider's guidance about your specific pregnancy.

Not medical advice. The information on this page is for general informational purposes only. Pregnancy experiences vary significantly between individuals. Nothing on this page should be used as a basis for medical decisions. Always consult a qualified healthcare provider for advice about your specific pregnancy, symptoms, or health concerns. In an emergency, contact emergency services immediately.