Antara injectuon doez side effect advantage and disadvantage
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advantages....... ____________You do not have to remember to take a pill every day. You only have to think about contraception every 2-3 months.
It does not interfere with sex.
It can be used when breastfeeding.
Periods often stop completely, which is perfectly safe.
hat are the disadvantages of the contraceptive injection?
What is the contraceptive injection?
The contraceptive injection contains a progestogen hormone called depo medroxyprogesterone acetate (DMPA). Progestogen hormones are very similar to a woman's own hormone called progesterone. Depo-Provera® is the brand used most often and it is given every 12 weeks. Sayana Press® is very similar to Depo-Provera® and also contains DMPA. Noristerat® is a brand which is rarely used. It is just used when very effective contraception is needed but only for a few months - for example, after a partner has had a vasectomy. The rest of this leaflet is about the injections that contain DMPA.
The contraceptive injection is sometimes called a LARC. This stands for long-acting reversible contraceptive. You can read about the other LARCs that contain progestogen in our separate leaflets called Contraceptive Implant and Intrauterine System. There is also a separate leaflet on the LARC which doesn't contain any hormone, called the Intrauterine Contraceptive Device (The Coil).
How does the contraceptive injection work?
The progestogen is injected into a muscle or under the skin and then is gradually released into the bloodstream. It works mainly by stopping the release of the egg from the ovary (ovulation). It also thickens the mucus made by the neck of the womb (cervix) which forms a mucous plug. This stops sperm getting through to the womb (uterus) to fertilise an egg. It also makes the lining of the womb thinner. This makes it unlikely that any egg that has managed to be fertilised will be able to implant in the womb.
How effective is the contraceptive injection?
Dr Rosemary Leonard
It is very effective. Between 2-60 women in every 1,000 using it will become pregnant after two years. Compare this to when no contraception is used: more than 800 in 1,000 sexually active women who do not use contraception become pregnant within one year.
What are the advantages of the contraceptive injection?
You do not have to remember to take a pill every day. You only have to think about contraception every 2-3 months.
It does not interfere with sex.
It can be used when breastfeeding.
Periods often stop completely, which is perfectly safe.
It may help some of the problems of periods, such as premenstrual tension, heavy, painful periods and endometriosis.
It can be used by many of the women who cannot take the combined pill.
It is not harmful to women with sickle cell disease and may even reduce the pain of a sickle crisis.
It may be taken by women who are on medication that would interfere with other forms of hormonal contraception - for example, medications for epilepsyor HIV.
It may reduce the chances of getting cancer of the ovary or cancer of the womb (endometrial cancer)
If you want to stop using it you don't have to go back to your doctor or nurse to have it removed; you just have to wait for it to wear off.
disadvantages_________
The injection cannot be removed once given. Any side-effects may last for more than 2-3 months, until the progestogen goes from your body.
As the injection is long-acting, it may take some time after the last injection for you to become fertile again. This time varies from woman to woman. Some women may not ovulate for 6-8 months after the last injection. Rarely, it can take more than a year before fertility returns. This delay is not related to the length of time you use this method of contraception.
It does not interfere with sex.
It can be used when breastfeeding.
Periods often stop completely, which is perfectly safe.
hat are the disadvantages of the contraceptive injection?
What is the contraceptive injection?
The contraceptive injection contains a progestogen hormone called depo medroxyprogesterone acetate (DMPA). Progestogen hormones are very similar to a woman's own hormone called progesterone. Depo-Provera® is the brand used most often and it is given every 12 weeks. Sayana Press® is very similar to Depo-Provera® and also contains DMPA. Noristerat® is a brand which is rarely used. It is just used when very effective contraception is needed but only for a few months - for example, after a partner has had a vasectomy. The rest of this leaflet is about the injections that contain DMPA.
The contraceptive injection is sometimes called a LARC. This stands for long-acting reversible contraceptive. You can read about the other LARCs that contain progestogen in our separate leaflets called Contraceptive Implant and Intrauterine System. There is also a separate leaflet on the LARC which doesn't contain any hormone, called the Intrauterine Contraceptive Device (The Coil).
How does the contraceptive injection work?
The progestogen is injected into a muscle or under the skin and then is gradually released into the bloodstream. It works mainly by stopping the release of the egg from the ovary (ovulation). It also thickens the mucus made by the neck of the womb (cervix) which forms a mucous plug. This stops sperm getting through to the womb (uterus) to fertilise an egg. It also makes the lining of the womb thinner. This makes it unlikely that any egg that has managed to be fertilised will be able to implant in the womb.
How effective is the contraceptive injection?
Dr Rosemary Leonard
It is very effective. Between 2-60 women in every 1,000 using it will become pregnant after two years. Compare this to when no contraception is used: more than 800 in 1,000 sexually active women who do not use contraception become pregnant within one year.
What are the advantages of the contraceptive injection?
You do not have to remember to take a pill every day. You only have to think about contraception every 2-3 months.
It does not interfere with sex.
It can be used when breastfeeding.
Periods often stop completely, which is perfectly safe.
It may help some of the problems of periods, such as premenstrual tension, heavy, painful periods and endometriosis.
It can be used by many of the women who cannot take the combined pill.
It is not harmful to women with sickle cell disease and may even reduce the pain of a sickle crisis.
It may be taken by women who are on medication that would interfere with other forms of hormonal contraception - for example, medications for epilepsyor HIV.
It may reduce the chances of getting cancer of the ovary or cancer of the womb (endometrial cancer)
If you want to stop using it you don't have to go back to your doctor or nurse to have it removed; you just have to wait for it to wear off.
disadvantages_________
The injection cannot be removed once given. Any side-effects may last for more than 2-3 months, until the progestogen goes from your body.
As the injection is long-acting, it may take some time after the last injection for you to become fertile again. This time varies from woman to woman. Some women may not ovulate for 6-8 months after the last injection. Rarely, it can take more than a year before fertility returns. This delay is not related to the length of time you use this method of contraception.
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