2nd trimester · Week 24
24 weeks pregnant
Viability threshold and glucose screening
Around 24 weeks, survival with neonatal intensive care becomes possible in many settings, though outcomes vary widely and complications are common. Surfactant production in the lungs is only beginning.
How big is your baby at 24 weeks?
- Length
- 30 cm
- Weight
- 600 g
- Size
- Grapefruit
On average about 30 cm long and 600 g. Size comparison: Grapefruit.
These are averages; every baby grows at their own pace.
How is your baby developing at 24 weeks?
The inner ear is more mature. Footprints and fingerprints are set. Length is often about 30 cm; weight near 600 g. The fetus has sleep–wake cycles you may start to recognize.
What changes in your body at 24 weeks?
The uterus reaches toward the rib margin over coming weeks. Heartburn and rib flare are common. Some people are offered a glucose challenge this week or soon after.
Tips for this week
Attend diabetes screening if it is offered — gestational diabetes is often silent. Learn your hospital’s advice on reduced movements. If you have regular painful tightenings, bleeding, or a gush of fluid, seek care immediately.
