Pregnancy Week 30 vs Week 34

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

📊

Time Difference

4 weeks apart

🔄

Trimester

Both in 3rd trimester

Baby Size Comparison

Growth Progress

Week 30Cabbage

Week 34Cantaloupe

Your baby is approximately 80% through pregnancy

Week 30

📏

Length

15.7 inches

⚖️

Weight

3 pounds

🍎

Size Comparison

Cabbage

Week 34

📏

Length

17.7 inches

⚖️

Weight

4.7 pounds

🍎

Size Comparison

Cantaloupe

What Changes Between Week 30 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 30 Development

•Lanugo (fine downy hair) is gradually disappearing from most of baby's body
•Baby is getting noticeably plumper as fat continues accumulating
•Bone marrow is fully in charge of producing red blood cells
•Tiny toenails are now visible and growing
•Head hair continues growing and may be quite long
•Brain is developing billions of neurons with increased folding

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 30 Symptoms

•Noticeable swelling (edema) in hands, feet, ankles, and possibly face
•Intensifying backaches from carrying extra weight and shifted center of gravity
•Leaking colostrum (early breast milk) from nipples
•Mood swings and emotional changes as you approach motherhood
•Strong nesting instinct urging you to clean and organize
•Increased Braxton Hicks contractions

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 30 Nutrition

•Reduce sodium intake to under 2,300mg daily to minimize swelling
•Eat calcium-rich foods (1000-1300mg daily) for final bone development
•Include vitamin C-rich foods (85mg daily) for tissue repair and iron absorption
•Stay hydrated with water which paradoxically helps reduce water retention
•Eat potassium-rich foods to balance sodium
•Include 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