Menstrual cycle and Sperm & Egg adaptations

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  • Menstrual cycle and Sperm & Egg adaptations
    • Egg
      • Cytoplasm
        • Contain lots of nutrients
      • FERTILISING AN EGG
        • 1. Egg ripens in ovary
          • 2. Egg is released
            • 3. Sperm fertilises egg
              • 4. Uterus becomes ready to support fertilised egg
                • 5. Fertilised egg reaches uterus
                  • 6. Uterus lining is maintained throughout pregnancy
    • Menstrual cycle
      • Menstruation
        • The uterus lining breaks down and is released
        • Day 1 - 5
      • The lining of the uterus builds up again
        • Day 6 - 14
      • Ovulation
        • An egg is released from the ovary
        • Day 14
      • The lining of the uterus is maintained.
        • Until day 28
          • If no fertilised egg has landed in the uterus the lining breaks down and the cycle starts again.

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