Second Trimester
20 Weeks Pregnant
Halfway there! Baby can hear sounds from outside.
🍌
Your baby is the size of a Banana
16.4 cm
Crown-Rump Length
300 g
Approximate Weight
Week 1Week 13 — End of Trimester 1Week 27Week 42
🧒 Baby's Development This Week
You've reached the halfway point! Your baby is now the size of a banana and is becoming very active. Their skin is covered in a white, waxy substance called vernix caseosa, which protects them from the amniotic fluid. This is also a major week for sensory development; the brain is designating specialized areas for smell, taste, hearing, vision, and touch.
- Major organ systems are forming.
- Reflexes are developing.
- Facial features become more distinct.
- Bones are hardening.
- Nervous system matures.
🤰 Your Symptoms at Week 20
The 'pregnancy glow' is often in full effect during week 20. You've likely felt the first flutters of movement, known as quickening, which will soon become more distinct kicks. Your center of gravity is shifting as your bump grows, so you might notice some backaches or a bit of breathlessness as your uterus reaches the level of your navel.
Fatigue
Rest when possible.
moderate
Rest when possible.
moderate
Nausea
Eat small, frequent meals.
mild
Eat small, frequent meals.
mild
Breast tenderness
Wear a supportive bra.
mild
Wear a supportive bra.
mild
Frequent urination
Stay hydrated but limit evening fluids.
moderate
Stay hydrated but limit evening fluids.
moderate
Mood swings
Talk to your partner or friends.
mild
Talk to your partner or friends.
mild
Body Changes
- Uterus is expanding.
- Blood volume is increasing.
- Skin changes may occur.
When to Call Your Doctor
- Severe abdominal pain or cramping
- Heavy bleeding or spotting
- Severe dizziness or fainting
✅ Week 20 Checklist
- Take prenatal vitaminsEssential
- Drink plenty of waterEssential
- Eat a balanced dietRecommended
- Exercise moderatelyRecommended
- RestEssential
❓ Frequently Asked Questions
Is it normal to feel tired?
Yes, fatigue is very common.
What should I be eating?
A balanced diet with plenty of fruits and vegetables.
Can I exercise?
Yes, moderate exercise is generally safe and beneficial.
When will I feel the baby move?
Usually between 16 and 25 weeks.
How much weight should I gain?
It depends on your pre-pregnancy BMI. Ask your doctor.
👩⚕️
Reviewed by Dr. Sarah Johnson, OB/GYNLast reviewed May 2024
Sources
- American College of Obstetricians and Gynecologists (ACOG)
- Intergrowth-21st Fetal Growth Standards
⚕️ Medical Disclaimer: This content is reviewed by medical professionals but is for informational purposes only. Always consult your healthcare provider for personalized guidance about your pregnancy.