Week 24  ·  Second trimester

Week 24, gently.

A needle-felted wool an ear of corn

Your baby is the size of

an ear of corn

  • 30.0 cm long
  • 600 g

This week is the medical "viability" mark — the earliest age at which a baby, with NICU care, has a chance outside.

“The first week that, if everything unravels, there is still a chance.”

What’s happening inside

A threshold of medical viability is usually placed around week 24. It is a statistical marker, not a destiny. The baby is still growing rapidly.

A warm watercolor illustration of a 24-week fetus

How you might feel

Your glucose-tolerance test for gestational diabetes is usually scheduled between weeks 24 and 28.

A warm watercolor illustration of week 24 of pregnancy