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BumpStories
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Week 30 of Pregnancy

Your baby is the size of a Cabbage

15.7 in (39.9 cm)46.6 oz (1320 g)
Third Trimester

Baby Development This Week

Baby's brain is growing rapidly, developing grooves and folds. The lanugo (fine body hair) is starting to disappear.

What You Might Be Feeling

Fatigue returns as your body works harder. Mood swings and anxiety about labor are normal.

Medical Appointments and Tests

Your provider may discuss your birth preferences and labor signs to watch for.

Frequently Asked Questions

How big is my baby at 30 weeks pregnant?

At week 30, your baby is about the size of a cabbage — approximately 15.7 inches long and weighing about 46.6 ounces.

What should I expect at 30 weeks pregnant?

At 30 weeks, your baby is the size of a cabbage. Every pregnancy is different, but common experiences at this stage include physical changes, new symptoms, and exciting developmental milestones for your baby.

Want to know your due date?

Get your personalized pregnancy story card with milestones, zodiac sign, and more.

Calculate Your Due Date
Note: This calculator provides estimates based on standard medical formulas. Please consult your healthcare provider for personalized guidance.