Third Trimester
33 Weeks Pregnant
Your baby is the size of a Pineapple 🍍
🍍
Medically reviewed by
MBBS, MD — Gynecologist & Obstetrician
Last reviewed:
Feb 2026
📏
Size
Pineapple
📐
Length
43.7 cm cm
⚖️
Weight
NaN g
🗓️
Trimester
Third
⏱️
Week
33 of 40
🌱 Baby Development at Week 33
Baby's brain and nervous system are fully developed. Skull bones are not yet fused — allowing head to mold during delivery. Bones hardening except skull. Baby's immune system receives more antibodies from placenta.
Brain and nervous system fully developedSkull remains soft and moldableImmune system boosted by antibodies
🤱 Common Symptoms
●Braxton Hicks increasing
●Insomnia
●Pelvic pressure and pain
●Shortness of breath
●Increased vaginal discharge
🥗 Nutrition Tips
- Continue prenatal vitamins
- Light easily digestible meals for comfort
- Stay well hydrated
🏃♀️ Exercise Tips
- Birth ball exercises for pelvic relief
- Gentle walks daily
- Perineal massage starts now (34+ weeks)
🏥 Medical Tests & Appointments
Routine prenatal visitBiophysical profile if any concerns
🔬 Hormone Changes
Estrogen rise triggers breast changes and milk production prep. Cortisol continues final organ preparation.
Frequently Asked Questions
Common questions answered by our medical team