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.

20 Weeks Pregnant

Q: What trimester is week 20 of pregnancy?

Week 20 falls in the Second 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 20 weeks pregnant?

At 20 weeks pregnant, there are approximately 20 weeks remaining until the estimated due date (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.

Second Trimester — ≈20 weeks to go

Week 20 Week 40 (due date)

Week 20 falls in the Second Trimester — ≈20 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 20 Weeks

Week 20 marks the halfway point of a standard 40-week pregnancy. The anatomy scan is typically performed around this time, when various aspects of development can be assessed. The baby's sex may be visible on ultrasound if the position allows. The fetus is roughly the size of a banana. Movement is becoming more noticeable for many people.

Size Comparison

Approximate size — week 20

Banana (~16.5 cm)

Common Experiences at 20 Weeks

Week 20 marks the midpoint of pregnancy for many people. Many find this a moment to reflect. The anatomy scan is typically scheduled around now. Movement may be becoming regular enough to notice patterns. Some people experience leg cramps, swelling, or heartburn around this stage — all commonly reported experiences.

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

General Planning Checklist — Week 20

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

Attend the anatomy scan if not yet done (typically 18–20 weeks)
Discuss anatomy scan findings with your provider
Begin researching childbirth education classes if interested
Schedule upcoming prenatal appointments as directed

Nearby Weeks

18 Weeks Pregnant · 19 Weeks Pregnant · 21 Weeks Pregnant · 22 Weeks Pregnant

Frequently Asked Questions

What trimester is week 20 of pregnancy?

Week 20 is in the Second Trimester — ≈20 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 20 weeks pregnant?

Based on a standard 40-week pregnancy, week 20 means approximately Second Trimester — ≈20 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.