Third Trimester
30 Weeks Pregnant
Your baby is the size of a Cabbage 🥬
🥬
Medically reviewed by
MBBS, MD — Gynecologist & Obstetrician
Last reviewed:
Feb 2026
📏
Size
Cabbage
📐
Length
39.9 cm cm
⚖️
Weight
NaN g
🗓️
Trimester
Third
⏱️
Week
30 of 40
🌱 Baby Development at Week 30
Baby's brain is developing grooves and ridges — increasing surface area dramatically. Lanugo (fine hair) begins to disappear. Baby's vision is developing — can detect light and dark. Bone marrow is fully producing blood cells.
Brain developing ridgesColostrum production beginsLanugo disappearing
🤱 Common Symptoms
●Strong baby kicks and rolls
●Braxton Hicks
●Varicose veins
●Edema (swelling)
●Heartburn and reflux
🥗 Nutrition Tips
- Vitamin K for blood clotting support
- Fiber to manage constipation
- Limit salt to reduce edema
🏃♀️ Exercise Tips
- Compression stockings for varicose veins
- Legs elevated when sitting
- Gentle yoga or meditation
🏥 Medical Tests & Appointments
Routine prenatal visitMonitor for preeclampsia symptoms
🔬 Hormone Changes
Colostrum production in breasts begins. Prolactin levels start rising.
Frequently Asked Questions
Common questions answered by our medical team