contraceptives

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  • contraceptives
    • oral contraceptives
      • contain hormones to inhibit FSH production so that no eggs mature
    • injection, implant, skin patch
      • for slow release of progesterone to inhibit the maturation and release of eggs for months or years
    • barrier methods
      • condoms or diaphragms which prevent sperm reaching the egg
    • intrauterine devices
      • prevent implantation of an embryo or release a hormone
    • spermicidal agents
      • kill or disable sperm
    • abstaining
      • avoiding sex when an egg may be in the oviduct
    • surgery
      • male or female sterilisation

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