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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.

27 Weeks Pregnant

Second Trimester — ≈13 weeks to go
Week 27 Week 40 (due date)
Week 27 falls in the Second Trimester — ≈13 weeks to go. 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 27 Weeks

Around week 27, the third trimester is approaching. The lungs continue maturing. Sleep and wake cycles are established, and the baby may be active during certain times of day. The fetus is approximately the size of a rutabaga. This is typically the final week of the second trimester, depending on the counting method used.

Size Comparison

Approximate size — week 27
Rutabaga
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Common Experiences at 27 Weeks

Week 27 is the final week of the second trimester for many counting methods. Many people are feeling the baby move regularly. Fatigue may be returning for some. Preparing for the third trimester — including discussing birth plans with a provider — is something many people begin thinking about around this time.

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

General Planning Checklist — Week 27

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

  • Schedule your third-trimester prenatal appointments
  • Complete the glucose test if not yet done
  • Discuss birth plan preferences with your provider
  • Consider beginning childbirth education if not yet started

Frequently Asked Questions

What trimester is week 27 of pregnancy?
Week 27 is in the Second Trimester — ≈13 weeks to go. 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 27 weeks pregnant?
Based on a standard 40-week pregnancy, week 27 means approximately Second Trimester — ≈13 weeks to go 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.