The Viability Milestone

Week 24 is a profound milestone — baby has reached the point of viability, meaning survival outside the womb is medically possible with support.

Viability milestone

This week's tip

💡 If you haven't yet, start sleeping on your left side — it's the best position for circulation to your baby and kidneys, and a body pillow can help you stay comfortable.

Baby this week

🌽

About the size of

an ear of corn

Length

30 cm

Weight

600 g

Development

Viability milestone: if born now, baby has a chance of survival with intensive medical care.
Lungs are producing surfactant — the substance that helps air sacs stay open.
Baby's face is fully formed and recognizable.
Taste buds are mature — baby may prefer sweet flavors.
The brain is rapidly developing and more complex.

How you might feel

Your uterus is now at the level of your belly button.
Glucose challenge test is typically scheduled around this time.
Braxton Hicks contractions may be more frequent.
Sleep may be challenging — hip pain and frequent urination disturb rest.

Things to do this week

Schedule your glucose challenge test (gestational diabetes screening)
Register for a hospital tour if you haven't
Continue prenatal vitamins, iron, and calcium
Consider a birth plan — even a rough version helps communication

When to contact your care team

This is general guidance, not medical advice.

Contact your care team if you experience regular contractions, pelvic pressure, or back pain that doesn't ease.

Partner tip

Week 24 is emotional for many parents. Acknowledge the milestone together — it deserves to be marked.