Contraceptives

Cards (12)

  • Fertility can be controlled by a variety of hormonal and non-hormonal methods of contraception
  • Oral contraceptives contain hormones to inhibit FSH production so that no eggs mature
  • Injections, implants or skin patches slowly release progesterone to inhibit the maturation and release of eggs for a number of months or years
  • Barrier methods such as condoms and diaphragms prevent the sperm reaching an egg and sexually transmitted diseases
  • Spermicidal agents kill or disable sperm
  • Abstaining from intercourse when an egg may be in the oviduct is not a reliable form of contraception
  • Sterilisation involves cutting or tying the fallopian tubes or the sperm duct
  • Abstinence is the most reliable way to avoid pregnancy
  • Giving FSH and LH in a ‘fertility drug’ to a woman can cause her to become pregnant in the normal way
  • Intrauterine devices (IUDs) are a long-acting reversible contraceptive method that is inserted into the uterus.
  • In Vitro Fertilisation (IVF) treatment
    • IVF involves giving a mother FSH and LH to stimulate the maturation of several eggs
    • The eggs are collected from the mother and fertilised by sperm from the father in the laboratory
    • The fertilised eggs develop into embryos
    • At the stage when they are tiny balls of cells, one or two embryos are inserted into the mother’s uterus (womb)
  • Although fertility treatment gives a woman the chance to have a baby of her own
    • It is very emotionally and physically stressful
    • The success rates are not high
    • It can lead to multiple births which are a risk to both the babies and the mother