Week 30 of Pregnancy

    Third trimester

    Week 29Week 31

    Baby is

    about the size of a large cabbage

    15.7 inches · 2.9 lbs

    Baby this week

    • Developing stronger grip and can grasp objects
    • Eyes can perceive light and darkness; pupils react to light
    • Brain is rapidly developing, especially the cerebral cortex
    • Lanugo (fine body hair) is mostly shed; skin is smoother

    You this week

    • Braxton Hicks contractions becoming more noticeable
    • Increased swelling in feet and ankles
    • Shortness of breath as baby takes up more space
    • Lower back pain and hip discomfort
    • Trouble sleeping and frequent nighttime bathroom trips
    • Possible hemorrhoids or constipation

    This week's tips

    • Practice pelvic floor (Kegel) exercises daily to prepare for labor and recovery
    • Elevate your feet when sitting to help reduce swelling
    • Sleep on your left side to improve blood flow to baby and reduce pressure on your liver
    • Start baby-proofing conversations with your partner—divide responsibilities and expectations
    • Stay hydrated but limit fluids a few hours before bed to minimize nighttime bathroom trips
    • Wear supportive, comfortable shoes and avoid standing for long periods

    Looking ahead

    You're entering the home stretch! In the coming weeks, baby will gain significant weight and continue brain development. Around week 36, baby will likely move into the head-down position for birth.

    Get next week's update delivered

    We'll send you week 31's update — baby development, tips, and baby-friendly places to discover. Free, unsubscribe anytime.

    Looking for places to bring baby?

    Explore BringBaby