Skip to content
Second Trimester (Weeks 14 - 27) Week 24 of 40
Last reviewed by medical team: June 2026 Evidence-Based Care Check
Fetal Size Comparison

Week 24 Size: Cantaloupe

About the size of a small cantaloupe.

Length 30 cm 11.8 inches
Weight 600 g 21.2 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 reaches viability, meaning they have a chance of survival outside the womb if born early, with intensive medical care. The inner ear is fully developed, establishing the baby's sense of balance.

Weekly Milestones

  • Fetal Viability
  • Balance System Developed
Maternal Health

Your Body & Symptoms

You will soon be tested for gestational diabetes (glucose screening test, usually between weeks 24 and 28). You might notice your skin changes, like dark spots or lines, becoming more pronounced.

Common Symptoms this Week

Itchy skin Leg cramps Braxton Hicks Glucose test prep symptoms (mild fatigue)

Doctor & Care Recommendations

  • Schedule your gestational diabetes screening test.
  • Ensure you are getting enough magnesium and calcium to prevent leg cramps.
  • Keep moving to support circulation.

Weekly Health Guides & Resources

Trimester Guide

Second 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 24

💌

Get weekly pregnancy updates

Sign up to receive developmental milestones, medical symptoms, and expert tips tailored to your specific week of pregnancy.