Foetal Development

• What is the amnion?

  The amnion is a membrane that surrounds and protects the developing embryo in the womb.
• Where does the amnion develop from?

  The inner mass of the blastocyst.
• What is the role of the amniotic fluid?

  Protects the foetus during development by: maintaining temperature, provides lubrication, contributes to lung development, allows movement and acts as a shock absorber.
• What are the functions of progesterone and oestrogen during pregnancy?

  Prevents menstruation, stops LH/FSH production and prevents contraction of the myometrium.
• What does oestrogen stimulate during pregnancy?

  The growth of the uterus and growth/development of the mammary glands.