December 11th, 2005
How reliable is it?
- For the first year of use less than 1 women in 100 wll get pregnant.
- Over the 5 years about 2 women in a 100 will get pregnant.
How it works
- Implants are small soft tubes which are placed under th skin of the inner upper arm. They steadily release a progestogen hormone into the blood stream to prevent the sperm and egg meeting.
Advantages
- Can provide contraception for up to 5 years.
- When implant is taken out a women’s normal level of fertility will return immediately.
Disadvantages
- Periods are often irregular for at least first year,with some bleeding in between, or may be missed.
- Other less common side-effects including headaches, acne, nausea, breast tenderness and weight gain.
Comments
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Implant is put in under a local anaesthetic. This takes about 10 minutes and no stitches are needed. The area may be tender for a day or two with bruising and some swelling.
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Most women can feel the implant, but it can’t be seen.
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Removal is sometimes difficult
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December 11th, 2005
How reliable is it?
- Less than 1 women in a 100 will get pregnant in a year.
How it works
- An injection releases the hormone progestogen very slowly into the body which stops ovulation.
Advantages
- an injection last for 2 months(Noristerat) or 3 months (Depo-Provera).
- May protect against cancer of the womb.
Disadvantages
- Periods often become irregular or stop. Regular periods and fertility may take a year or more to return after stopping the injections.
- Some women gain weight.
Comments
- The injection works for either 2 or 3 months. It cannot be removed from the body so any unwanted effects may continue during this time.
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December 11th, 2005
How reliable is it?
- With carefull use 1 women in 100 will get pregnant in a year.
- With less careful use 4 or more women in a year will get pregnant.
How it works
- The hormone progestogen taken at the same time each day, causes changes making it difficult for sperm to enter the womb or for the womb to eccept a fertilised egg. in some women in prevents ovulation
Advantages
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Useful for older women who smoke and women who cannot use the combined pill.
- Can be used when breastfeeding.
Disadvantages
- May be temporary minor side-effects
- Periods may be irregular, with some bleeding in between or be missed.
- Maybe less effective in women who weight over 70kg (11stone).
Comments
- Not reliable if taken over 3hours late or after vomiting or severe diarrhoea, unless an extra method is used
- Some drugs stop the pill working - a doctor or pharmacist can advise.
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December 11th, 2005
How reliable is it?
-
With careful use less than one woman in 100 will get pregnant in a year.
- With less careful use 3 or more women in 100 will get pregnant in a year.
How it works?
- contains two hormones-oestrogen and progestogen-which stop a women releasing an egg each month(ovulation).
Advantages
- often reduces bleeding, period pain and pre-menstrual tension.
- protects against cancer of the ovary and womb and some pelvic infections.
- suitable for healthy non-smokers up to the menopause.
Disadvantages
- May not be suitable for some women. A full medical history should be taken
- May be temporary minor side-effects.
- Not suitable for smokers over 35 or for women who are breastfeeding.
Comments
- Notreliable if taken over 12 hours late or after vomiting or severe diarrhoea,unless an extra metod is used.
- Some drugs may stop the pill working-a doctor or pharmacist can advice.
- Pill users should try not to smoke
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