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To use the table to avoid becoming pregnant, it is important to pay attention to the fertile period and avoid having sex during this period, as this way it is possible to decrease the probability of pregnancy. However, the table is not a totally effective method to prevent pregnancy, because some women may have an irregular menstrual cycle or have a fertile period influenced by emotional situations, for example.
Thus, the best way to avoid pregnancy is to associate the tablet with the use of other contraceptive methods, such as the use of birth control pills and condoms, mainly, because in addition to preventing unwanted pregnancies, it prevents the transmission of sexually transmitted diseases.
What days cannot be related
Who is not wanting to get pregnant, cannot have intercourse during their fertile period, which is between the 11th and the 17th day, from the first day of the menstrual cycle, in a cycle of 28 days. As the woman may have a more irregular cycle, these days may vary from one month to the next, and that is why the tablet should not be used as an exclusive method to prevent pregnancy.
To calculate the days of the fertile period in case of regular menstrual cycle, what you need to know:
- What is the interval between 4 menstrual cycles, to count how many days your menstruation takes to descend;
- If you find that the interval is not always the same, you should find an average of days;
- After that, you must divide this number by 2 to find exactly the middle of the cycle;
- The mid-cycle day is the most fertile day of the month;
- And the fertile period is 3 days before and 3 days after that day.
Put the data on the following calculator to find out when the fertile period is:
Thus, when knowing when the fertile period is, a woman should avoid having sex during that period in order to avoid unwanted pregnancy.
How to avoid pregnancy with the tablet
To prevent pregnancy using the tablet it is important to associate another contraceptive method, as this way it is possible to prevent pregnancy more effectively. Thus, it is recommended that condoms be used in all sexual relations, as it also protects against sexually transmitted infections, in addition to another method such as the contraceptive pill, vaginal ring or diaphragm, for example, in the case of women, or vasectomy in the case of man.
Learn more about contraceptive methods.