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    My Baby's Growth

    Fetal development - month 9

    Third trimester

    At the end of 9 months:

    • Baby is 19 to 20 inches long.
    • Weight is about 7 to 7-1/2 pounds.
    • The lungs are mature.
    • Baby is now fully developed and can survive outside the mother’s body.
    • Skin is pink and smooth.
    • The baby settles down lower in the abdomen to prepare for birth and may seem less active.
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