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Controlling Fertility

Controlling Fertility. Lesson objectives – to know that hormones can be used to control fertility. WALT: how hormones can be used to control fertility. All will be able to recall how oral contraceptives inhibit FSH Most will be able to describe how FSH can be used to produce mature eggs

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Controlling Fertility

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  1. Controlling Fertility Lesson objectives – to know that hormones can be used to control fertility

  2. WALT: how hormones can be used to control fertility • All will be able to recall how oral contraceptives inhibit FSH • Most will be able to describe how FSH can be used to produce mature eggs • Some will be able to explain how FSH is used in IVF treatment

  3. Hormonal changes

  4. Summary of fertility hormones

  5. Contraception • Most widely used is female oral contraceptive. • Contains hormones, particularly oestrogen, which inhibits FSH release from the pituitary.. • No eggs – no babies

  6. Women Men What is infertility? Some couples are unable to conceive naturally. This is called infertility. What might be some of the causes of infertility? ovaries not releasing eggs low sperm count blocked fallopian tubes (carry eggs from the ovaries to the uterus) poor quality sperm problems with the uterus lining blocked or damaged tubes that carry sperm hormonal problems hormonal problems

  7. How do fertility drugs work? FSH memo To: ovary From: fertility drug Get another egg ready and start making oestrogen. Fertility drugs are used to help women who do not produce an egg every month. There are many different types of fertility drug but they all work by tricking the body into producing more eggs. Some fertility drugs contain FSH. How do these work?

  8. What is IVF? Sometimes, women have problems becoming pregnant even after using fertility drugs. When this happens, they can try in vitro fertilization, or IVF. In vitro is Latin for ‘in glass’ so IVF means fertilization that takes place outside of the body and in laboratory glassware. Babies born by IVF are sometimes called ‘test-tube’ babies. However, fertilization doesn’t take place in test-tubes but in a special dish.

  9. How does IVF work?

  10. IVF and multiple births Why does IVF increase the chances of multiple births?

  11. Should IVF treatment be free?

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