Oral contraceptives are hormonal pills that protect a woman from the onset of an unwanted pregnancy.However, we are accustomed to call them easier - the pill.Means oral contraceptives contain the synthetic form of two hormones - estrogen and progesterone (progesterone synthesis known as progestin).
Most manufacturers of contraceptive pills set 21-day course of, and for the next 7 days you either need to take tablets- "Dummy" or not to take anything at all.This week, when you do not take the tablets, there is a decrease the level of your hormones, so that you have regular menstruation begins.After completing a 28-day cycle, you need to start taking a new pack of pills.
How effective are birth control pills?
If you strictly follow the instructions for use of the tablets, and will not miss their admission, the effectiveness of the contraceptive pill will be about 99.7 - 99.9%.According to the research, only one woman out of 1,000 women who took pills correctly, became pregnant within the first y
We can say with confidence that oral contraceptives - one of the most reliable methods of contraception, but they require a woman of responsibility and compliance with instructions from the first to the last day.Therefore, before choosing this method of protection, think - if you can comply with all conditions ?!If you doubt that you can take the pills correctly, it is best to try using a different method, for example, the IUD (intrauterine device), or a contraceptive drug, "Depo-Provera" (Medroxyprogesterone, Medroxyprogesterone), which can be used both in the form of injection (suspensionintramuscular) or in the form of tablets.Both of these methods are very effective and long-term - the spiral is placed on the number of years (usually 3 to 5), and the "Depo Provera" need to work hard every 3 months.
If you do not take the tablets exactly as prescribed (for example, if you start a new pack later than expected, or skip pills and do not use any backup method of contraception, such as condoms), then chances are that you will become pregnant moreabove.And the more mistakes you make, the higher the risk.
Influence of drugs on the effectiveness of birth control pills
Some medications can affect your oral contraceptives , and vice versa - the contraceptive pill can make some drugs are more or less effective.So be sure to tell your doctor that you are taking contraceptives.
also need to be sure to tell your gynecologist, who will pick up your tablet, what medications you are taking, including folk (herbal) funds.Here are some substances that reduce the effectiveness of birth control pills: St. John's wort, an antibiotic "Rifampicin" antifungal medicine "Griseofulvin" barbiturates (sleeping pills, sedatives, anticonvulsants and other agents that inhibit the activity of the central nervous system), some drugs against HIV.
If you need to take a medicine that can change the action of birth control pills, and you will take it for a long time, talk to your gynecologist about other contraceptive methods.If you take this medicine for a short time, you can continue taking pills, but you'll need to use additional contraception for the duration of taking the medicine, and seven days after its cancellation (until the drug is completely put out of your body).But keep in mind that some drugs need much more time to complete removal, so be sure to check with your obstetrician-gynecologist, how long you use the additional contraception.
If you do not have contraindications with respect to receiving oral contraceptives and you are sure to be able to follow the daily regime of taking the pills, you can ask your gynecologist to write you a prescription for the drug, which it considers the most appropriate for you.Despite the fact that birth control pills are an excellent method of contraception, they do not provide any protection from infectious diseases to sexual transmission (STDs) such as chlamydia, gonorrhea, genital herpes and others.Therefore, if you are at risk for such infections, you must also use a condom.