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Pregnancy period

Reasons why women can get pregnant after taking contraceptive pills.

Contraceptive pills are hormones that act by preventing ovulation and therefore prevent pregnancy. However, even if you use it correctly, whether in the form of pills, hormone patch, vaginal ring or taking an injection, there is a minimal risk of becoming pregnant because contraceptives are about 99% effective, that is, 1 in 100 women can get pregnant even using it correctly.

However, some situations such as forgetting to take contraceptives, using antibiotics or other medications can decrease the effectiveness of the contraceptive pill, increasing the risk of pregnancy.

If the woman thinks she is pregnant, but is still taking the pill, she should have a pregnancy test as soon as possible. If the result is positive, the use of contraceptives should be stopped and the gynecologist should be consulted for follow-up.

It is important to note that before starting the use of contraceptives, a gynecologist should always be consulted so that the best contraceptive method for each woman and the correct form of use are indicated.

É possível engravidar tomando anticoncepcional?

Some factors can limit the effectiveness of the birth control pill and increase the risk of pregnancy and include :

1. Forget to take a day

Forgetting to take the birth control pill one day can increase your chances of getting pregnant because the hormone levels in your body can vary, which increases your risk of ovulating.

If you forget to take the contraceptive pill in the first week of the card, there is a greater risk of pregnancy because ovulation can happen earlier and sperm can survive in the vaginal canal for up to 5 days after intimate contact.

If you forget to take one tablet, take it as soon as you remember and then take the next tablet at the usual time.

In these cases, another additional method of contraception, such as condoms, should be used, for example, during the next 7 days.

2. Do not take at the right time

Contraceptives are done to take every 24 hours, so it is important to always take them at the same time so that there is no variation in hormone levels in the body, which increases the risk of ovulating and the chances of becoming pregnant.

Some tips for taking at the right time are putting on a wake-up watch, a cell phone reminder or making it a habit to take the pill with a specific daily activity, such as during lunch or dinner, for example.

In the case of birth control pills that contain only one hormone, progesterone, such as Cerazette, delaying the time of a dose of the pill greatly increases the chances of becoming pregnant because hormone levels drop very quickly, which greatly increases the risk of ovulating.

It is important to use an additional method of contraception for the next 7 days, if you forget to take the contraceptive at the same time each day.

3. Have episodes of diarrhea or vomiting

Having episodes of diarrhea or vomiting within 3 to 4 hours after taking the birth control pill or vomiting or diarrhea for 48 hours or more, reduces the absorption of the birth control pill, increasing the risk of becoming pregnant.

In these cases, one should continue to take the contraceptive normally and use a condom as an additional contraceptive method.

4. Forget to take several times

Forgetting to take the birth control pill several times during the month does not allow an effective contraceptive effect and the risk of pregnancy increases a lot. Therefore, a condom should be used throughout the use of the contraceptive card, until a new one begins.

In this case, it is important to talk to the gynecologist and try another method of contraception that does not need to be taken every day, such as contraceptive injection, hormonal adhesive, hormone implantation in the arm or placing an IUD, for example.

5. Change contraceptives

Changing contraceptives requires care and medical advice as each contraceptive has its characteristics and the exchange of hormones can alter the levels of hormone in the body and unwanted ovulation occurs, increasing the risk of becoming pregnant.

It is generally advised to use a condom for the first 2 weeks when changing contraceptives.

6. Use other remedies

Some remedies can interfere with the effectiveness of oral contraceptives, reducing or cutting their effect.

Some studies prove that most antibiotics do not interfere with the effect of oral contraceptives, as long as they are taken correctly, every day and at the same time. However, there are some antibiotics that have been shown to reduce the effectiveness of contraceptives, such as rifampicin, rifapentin and rifabutin, used to treat tuberculosis, leprosy and bacterial meningitis and griseofulvin, which is an antifungal used to treat skin mycoses. When it is necessary to use these antibiotics or experience vomiting or diarrhea after using any antibiotic, a condom should be used as an additional contraceptive method to prevent pregnancy.

Other remedies that reduce the effectiveness of oral contraceptives are anticonvulsants such as phenobarbital, carbamazepine, oxcarbamazepine, phenytoin, primidone, topiramate or felbamate, used to decrease or eliminate seizures. That is why it is important to talk to the doctor responsible for the treatment to avoid interactions that interfere with the use of contraceptives.

É possível engravidar tomando anticoncepcional?

7. Drinking alcoholic beverages

Alcohol does not directly interfere with oral contraceptives, however, when drinking there is an increased risk of forgetting to take the pill, which can reduce its effectiveness and increase the risk of an unwanted pregnancy.

In addition, if you drink long before taking the contraceptive and vomit within 3 or 4 hours after taking the pill, it will reduce the effectiveness of the contraceptive.

8. Do not store the contraceptive properly

The contraceptive pill must be stored at a temperature between 15 and 30 degrees and away from moisture, so it must not be stored in the bathroom or kitchen. Keeping the pill in the original packaging, at the correct temperature and away from moisture, ensures that the tablets do not change that can reduce their effectiveness and increase the risk of becoming pregnant.

Before using the pill, observe the appearance of the tablet and if you have any color or smell change, if it crumbles or looks wet, do not use it. Buy another contraceptive card to ensure that the pills are intact and unchanged that can affect effectiveness.

It is possible to get pregnant by taking the pill and breastfeeding?

The progesterone contraceptive pill, Cerazette, which is used while breastfeeding, serves to prevent pregnancy and is about 99% effective, like other birth control pills. However, if the woman forgets to take the pill for more than 12 hours or is taking an antibiotic, for example, she may become pregnant again, even if she is breastfeeding. In these cases, an additional method of contraception, such as condoms, should be used for at least the next 7 days of delay in the pill dose.

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