Second Trimester
21 Weeks Pregnant
Your baby is the size of a Carrot 🥕
🥕
Medically reviewed by
MBBS, MD — Gynecologist & Obstetrician
Last reviewed:
Feb 2026
📏
Size
Carrot
📐
Length
26.7 cm cm
⚖️
Weight
NaN g
🗓️
Trimester
Second
⏱️
Week
21 of 40
🌱 Baby Development at Week 21
Baby is now measured from head to toe rather than head to rump. Eyebrows and eyelids are fully formed. Baby is exploring the womb — touching, sucking thumbs, and responding to light. Bone marrow starts making blood cells.
Measured head to toeThumb-sucking observed on ultrasoundBone marrow making blood cells
🤱 Common Symptoms
●More noticeable kicks and punches
●Backache
●Leg cramps at night
●Possible hemorrhoids
●Varicose veins may appear
🥗 Nutrition Tips
- Vitamin C aids iron absorption
- Fiber helps with constipation and hemorrhoids
- Cold foods may soothe heartburn better than hot
🏃♀️ Exercise Tips
- Compression socks for varicose veins
- Elevate legs when resting
- Swimming takes pressure off varicose veins
🏥 Medical Tests & Appointments
Routine prenatal checkupBlood pressure monitoring
🔬 Hormone Changes
Progesterone causes relaxation of veins — contributing to varicose veins and hemorrhoids.
Frequently Asked Questions
Common questions answered by our medical team