The contraceptive injection contains a hormone that prevents pregnancy. Each application prevents pregnancy for three months. The best known brand in the market is called Depo Provera.
How Depo Provera work?
Injecting releases the hormone progestin in your body. It works like birth control pills, specifically the mini pill, the only thing that changes is the method in which it is administered.
Progestin injection works by:
Prevent eggs from leaving the ovaries. Pregnancy can not happen if you do not join the egg and sperm.
Thicken cervical mucus. This prevents sperm from reaching the egg.
How effective is the contraceptive injection?
The contraceptive injection is one of the most effective methods of birth control available. It works best when the birth control shot regularly received; every 12 weeks.
If used correctly and doses of Depo Provera apply promptly every 12 weeks the probability of pregnancy is less than 1 percent
If not punctually applied every 12 weeks within the period indicated the pregnancy rate rises to 6 percent.
Do not forget that the birth control shot does not protect against diseases / sexually transmitted infections. Use a male condom or female condom to reduce the risk of infection.
When should I apply the Depo Provera injection?
If you can not apply yourself the injection, in the period established in the above table, you must use some form of contraception during the first week back; condom, female condom, diaphragm, sponge, or the morning after pill.
The effectiveness depends on the fixtures you the first time at the optimum time and keep doing every 12 weeks. If you get to slow you down in one of the shots consult your gynecologist.
How safe is the contraceptive injection?
Most women can use this method safely but like any medicine has its disadvantages.
When should I avoid using the injection?
If you are in treatment for Cushing’s syndrome (aminoglutethimide as active substance)
If you are pregnant
If you suffer from breast cancer
Suffer from bone fragility (are you easily break bones)
What are the benefits of the contraceptive injection?
It is safe, simple and convenient
It provides protection against pregnancy long lasting and if used correctly can be very effective
Daily recall requires taking a pill
No need to interrupt sex
Some women say it improves their sex life because they help them feel more spontaneous
It is a very discreet method, every 12 weeks You go to apply it and avoid you buy and bring either pills, condoms, diaphragms, etc.
The contraceptive injection does not contain estrogen, another type of hormone found in many types of contraception, including the pill, patch and ring. This means that injection can be a good option for women who can not take estrogen and for women who are breastfeeding.
The injection may help prevent cancer of the uterine lining.