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Second Trimester

16 Weeks Pregnant

Your baby is the size of a Avocado 🥑

🥑
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
Avocado
📐
Length
11.6 cm cm
⚖️
Weight
NaN g
🗓️
Trimester
Second
⏱️
Week
16 of 40

🌱 Baby Development at Week 16

Eyes are now sensitive to light. Ears are almost in final position. Baby's heart pumps 25 liters of blood per day. Some moms begin feeling movement — called 'quickening' — around this time.

First movements (quickening) possibleEyes sensitive to lightHeart pumping actively

🤱 Common Symptoms

Quickening (first baby movements) may be felt
Belly bump clearly visible
Constipation
Occasional nosebleeds
Back pain

🥗 Nutrition Tips

  • Increase protein for fetal muscle development
  • Eat foods high in vitamin A (carrots, sweet potato)
  • Avoid excessive Vitamin A supplements (toxic in high doses)

🏃‍♀️ Exercise Tips

  • Hip circles and pelvic tilts for back pain
  • Water aerobics ideal
  • Avoid lying on back for extended periods

🏥 Medical Tests & Appointments

Quad screen (AFP, hCG, estriol, inhibin A): 15-20 weeksAnatomy scan scheduling

🔬 Hormone Changes

Estrogen surges — increasing blood supply to skin, giving that 'glow'. Aldosterone rises to manage increased blood volume.

Frequently Asked Questions

Common questions answered by our medical team

At 16 weeks, your baby is approximately the size of a Avocado (🥑). Eyes are now sensitive to light. Ears are almost in final position. Baby's heart pumps 25 liters of blood per day. Some moms begin feeling movement — called 'quickening' — around this time.
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