contraception

• Contraception


  Any artificial method that people use to prevent pregnancy
• How pregnancy starts


  1. FSH stimulates an egg in one of the ovaries to develop

  2. LH triggers the release of the egg (ovulation)

  3. Egg passes along the fallopian tube

  4. Egg could combine with a sperm cell to form a fertilized egg

  5. Fertilized egg continues along the fallopian tube to the uterus and implants into the wall
• Cervix


  Entrance to the uterus
• Categories of contraception methods

  • Hormonal
  • Non-hormonal
• Hormonal contraception


  • Relies on releasing estrogen, progesterone, or a combination
  • Estrogen inhibits FSH production, preventing egg development
  • Progesterone stimulates thick mucus in the cervix, preventing sperm from reaching the egg
• Copper IUD


  Non-hormonal contraceptive that prevents sperm from surviving in the uterus
• Non-hormonal contraception


  • Prevents sperm from meeting the egg
• Abstinence is the only 100% effective way to avoid pregnancy