The Baby's Support System

  • Created by: snerd
  • Created on: 15-11-15 13:15
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  • The Baby's Support System
    • Uterus
      • Baby's Home for 9 months
      • Fertilised egg embeds itself into the uterus lining
      • Size and shape of an upside down pear
      • Expands to keep the baby secure and protected
    • Placenta
      • Develops the first 12 months of pregnancy
      • One side of the placenta is connected to the uterus and the other side to the foetus via the umbilical cord
      • Produces hormones that maintain pregnancy
      • A barrier against harmful substances
      • Allows the foetus  to eat, breathe and dispose of waste products
      • Links the blood supply of the mother to the baby (although it never mixes)
      • Pass antibodies from the mother to give some resistance to infections
    • Umbilical Cord
      • The baby's lifeline
      • Connects the baby to the placenta
      • Carries blood and nutrients to the baby and removes the waste products
      • Immediately after birth it is clamped and cut
    • Amniotic sac
      • The amniotic sac is inside the uterus
      • It contains the developing embryo/foetus
      • The main purpose is to make sure the baby grows safely
      • Amniotic fluid
        • This is the warm fluid contained inside the amniotic sac
        • If there is too much or too little fluid the baby will not continue growing
        • The fluid enables the baby to float freely and allow limbs to stretch in early pregnancy
        • The fluid keeps the baby at a constant temperature of 37 degrees C
        • Supports and protects the baby from knocks just like a cushion
    • The cervix
      • The 'neck' of the uterus (womb)
      • During labour the cervix dilates to allow the baby to pass through
      • Cervical mucus
        • Blocks the cervix to protect the uterus from infection
        • During labour the mucus comes away


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