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Second Trimester

20 Weeks Pregnant

Your baby is the size of a Banana 🍌

🍌
Ashok Kumar Poudel
Written by
Ashok Kumar Poudel
Health & Wellness Writer
Dr. Bina Basnet
Medically reviewed by
MBBS, MD — Gynecologist & Obstetrician
Last reviewed:
Feb 2026
📏
Size
Banana
📐
Length
16.4 cm cm
⚖️
Weight
NaN g
🗓️
Trimester
Second
⏱️
Week
20 of 40

🌱 Baby Development at Week 20

You are halfway through your pregnancy! Baby is swallowing more amniotic fluid and making urine. The digestive system is practicing. Hair is growing on the head. Lanugo (fine hair) covers the whole body.

Halfway point! 🎉Baby swallowing and making urineLanugo covering body

🤱 Common Symptoms

Belly button may pop out
Shortness of breath more frequent
Heartburn
Increased energy
Strong baby kicks

🥗 Nutrition Tips

  • Iron-rich diet critical as blood volume expands
  • Healthy snacks to maintain energy
  • Hydration is essential — aim for 10 cups/day

🏃‍♀️ Exercise Tips

  • Halfway point — celebrate with a gentle swim
  • Postural exercises for growing belly
  • Kegel exercises daily

🏥 Medical Tests & Appointments

20-week anatomy ultrasound (if not done at 18-19)Fundal height measurement begins

🔬 Hormone Changes

Human placental lactogen (hPL) rises — stimulating mammary gland development and modifying insulin response.

Frequently Asked Questions

Common questions answered by our medical team

At 20 weeks, your baby is approximately the size of a Banana (🍌). You are halfway through your pregnancy! Baby is swallowing more amniotic fluid and making urine. The digestive system is practicing. Hair is growing on the head. Lanugo (fine hair) covers the whole body.
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