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Leaving certificate biology

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  1. Ecology theory
    5 Topics
    |
    1 Quiz
  2. Unit 1
    Nutrient recycling
    4 Topics
    |
    1 Quiz
  3. Ecological relationships and population dynamics
    2 Topics
  4. Human impact on the ecosystem
    2 Topics
  5. Study of a grassland ecosystem
    3 Topics
  6. Responses in the Flowering Plant
    4 Topics
    |
    1 Quiz
  7. Unit 3
    Sexual reproduction in the flowering plant
    1 Topic
  8. The human reproductive system
    3 Topics
  9. The menstrual cycle
    2 Topics
  10. Pregnancy
    2 Topics
  11. The circulatory system
    4 Topics
  12. Blood
    5 Topics
  13. The heart
    5 Topics
Lesson 9, Topic 2
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Disorder of the menstrual cycle

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Menstrual cycle disorders

Fibroids

Cause:

  • Unknown / may be hormonal

Symptoms:

  • Benign tumors in the uterus

  • Large fibroids cause heavy menstrual bleeding¬†

Treatment:

  • Hormones

  • Removal of fibroids by surgery¬†

  • Hysterectomy