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Third Trimester (Weeks 28 - 40) Week 29 of 40
Last reviewed by medical team: June 2026 Evidence-Based Care Check
Fetal Size Comparison

Week 29 Size: Acorn Squash

About the size of an acorn squash.

Length 38.6 cm 15.2 inches
Weight 1150 g 40.6 oz

Relative Visual Scale

Solid circle represents your baby's size. Dotted circle shows the full-term week 40 size threshold.

Inside The Womb

Baby's Development

The baby's brain is maturing rapidly and can now regulate their own body temperature. The bones are fully developed, but they remain soft and flexible to aid in delivery.

Weekly Milestones

  • Temperature Regulation Begins
  • Bone Development Complete
Maternal Health

Your Body & Symptoms

The baby is active, and their kicks can feel quite strong or even uncomfortable. You might experience heartburn, constipation, or hemorrhoids as pressure increases.

Common Symptoms this Week

Strong kicks Constipation Hemorrhoids Frequent urination returning

Doctor & Care Recommendations

  • Ensure you are consuming plenty of calcium (about 250mg of calcium is deposited in baby's bones daily now).
  • Do not skip meals; eat small nutritious bites to avoid heartburn.
  • Practice pelvic tilts to help position the baby.

Weekly Health Guides & Resources

Trimester Guide

Third Trimester Guide

Read comprehensive clinical milestones, screening checklists, and developmental guidelines for this phase.

Explore Trimester →
Common Symptoms

Track & Relieve Symptoms

Learn why symptoms occur, home remedies, and clinical indicators for this week:

Pregnancy Nutrition

Food Safety Checklists

Verify safety statuses, listeria and mercury risks, and safe alternatives for:

Full Nutrition Guide →

Frequently Asked Questions: Week 29

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