Pregnancy Week 24 — Baby Development, Size & What to Expect

Week 24 of pregnancy — 2nd trimester. Baby is the size of a ear of corn 🌽, approximately 30.0cm long and weighing 600g. Viability threshold — could survive with intensive NICU care. Lung surfactant forming. 60% of the 40-week journey complete, 16 weeks remaining.

PREGNANCY WEEK 242nd TRIMESTER

🌽

ear of corn

baby is about the size of a ear of corn

WEEK

24

of 40

LENGTH

30cm

crown to rump

WEIGHT

600 g

approximate

Progress60% complete
Wk 12nd Trimester (Weeks 13–26)Wk 40

16 weeks remaining · Viability threshold — could survive with intensive NICU care. Lung surfactant forming.

WEEK 24 — BABY'S DEVELOPMENT

2ND TRIMESTER · Weeks 13–26

Viability threshold — could survive with intensive NICU care. Lung surfactant forming.

HOW YOU MAY FEEL

Viability milestone. Gestational diabetes test (24-28w). Swelling increasing.

WEEK 24 KEY FACTS

Gestational age

Week 24

Trimester

2nd (T2)

Baby length

30cm

Baby weight

600 g

Progress

60% complete

Weeks left

16 weeks

FREQUENTLY ASKED QUESTIONS

What happens at week 24 of pregnancy?

At week 24 of pregnancy (2nd trimester):\n\nBaby development: Viability threshold — could survive with intensive NICU care. Lung surfactant forming.\n\nBaby size: ear of corn 🌽\nLength: approximately 30.0cm (crown to rump)\nWeight: approximately 600g\n\nPregnancy progress: 60% complete (16 weeks remaining)\n\nGestational age is counted from the first day of your last menstrual period (LMP), not from conception. Week 24 begins on day 162 and ends on day 168 from your LMP.

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Pregnancy week 24 · 2nd trimester · Baby size: ear of corn 🌽 · 30.0cm · 600 g · Sources: ACOG, WHO fetal growth data