Pregnancy Week 33 vs Week 34

Complete comparison of baby development, mom's symptoms, and changes between these weeks

📊

Time Difference

1 week apart

🔄

Trimester

Both in 3rd trimester

Baby Size Comparison

Growth Progress

Week 33Pineapple

Week 34Cantaloupe

Your baby is approximately 84% through pregnancy

Week 33

📏

Length

17.2 inches

⚖️

Weight

4.2 pounds

🍎

Size Comparison

Pineapple

Week 34

📏

Length

17.7 inches

⚖️

Weight

4.7 pounds

🍎

Size Comparison

Cantaloupe

What Changes Between Week 33 and 34?

👶New Baby Developments

✓Vernix caseosa (protective waxy coating) thickens to protect skin during birth
✓Fingernails have reached the end of fingers and baby may scratch themselves
✓Central nervous system is maturing with improved temperature regulation
✓Lungs are nearly mature and producing sufficient surfactant
✓Multiple fat layers continue forming for insulation and energy

🤰New or Changing Symptoms

✓Possible vision changes from fluid retention affecting cornea shape
✓Increased fatigue as pregnancy becomes more physically demanding
✓Intense pelvic pressure as baby descends
✓Possible worsening constipation
✓Braxton Hicks may be uncomfortable

📈Key Changes Summary

Baby Growth: Your baby continues to grow rapidly, with organs developing and maturing each day.

Your Body: Your body adapts to support your growing baby with various physical and hormonal changes.

Baby Development Milestones

Week 33 Development

•Skull bones remain soft and unfused with fontanelles (soft spots) to allow molding during birth
•Immune system is developing and receiving antibodies from your placenta
•Baby can detect and differentiate between light and dark
•Pupils can now dilate and contract in response to light
•All bones are hardening (ossifying) except skull bones which remain flexible
•Brain continues rapid development with sophisticated connections forming

Week 34 Development

•Vernix caseosa (protective waxy coating) thickens to protect skin during birth
•Fingernails have reached the end of fingers and baby may scratch themselves
•Central nervous system is maturing with improved temperature regulation
•Lungs are nearly mature and producing sufficient surfactant
•Multiple fat layers continue forming for insulation and energy
•Baby is likely in head-down position by now

Common Symptoms

Week 33 Symptoms

•More frequent and intense Braxton Hicks contractions
•Noticeable forgetfulness and "pregnancy brain" from hormonal changes
•Clumsiness and loss of balance from shifted center of gravity
•Significant trouble sleeping and insomnia
•Possible heartburn and indigestion
•Swelling in extremities may worsen

Week 34 Symptoms

•Possible vision changes from fluid retention affecting cornea shape
•Increased fatigue as pregnancy becomes more physically demanding
•Intense pelvic pressure as baby descends
•Possible worsening constipation
•Braxton Hicks may be uncomfortable
•Trouble finding any comfortable position

Nutrition Tips

Week 33 Nutrition

•Eat calcium-rich foods (1000-1300mg daily) for baby's rapidly hardening bones
•Include vitamin D (600 IU daily) through diet or supplements
•Stay hydrated with 10-12 glasses of water daily
•Eat iron-rich foods (27mg daily) to prevent anemia
•Include foods rich in zinc for immune development
•Eat protein at every meal and snack

Week 34 Nutrition

•Eat foods rich in vitamin K (90 mcg daily) like leafy greens, broccoli, and Brussels sprouts for blood clotting
•Include probiotic foods like yogurt, kefir, and fermented vegetables for digestive and immune health
•Stay hydrated with water throughout the day
•Eat 5-6 small, frequent meals that are easy to digest
•Include fiber-rich foods with plenty of water
•Eat iron-rich foods to build baby's iron stores