Action hormonal contraceptives

The structure of contraceptive pills include artificial hormones that are most similar to the real hormones produced by the female body.Woman taking these pills every day that affect the hormones in the body and creates a simulation of pregnancy.As a result, in due time, ovulation does not occur, then there is no egg matures and therefore can not be fertilized.The state of such "chronic pregnancy" normal for the female body, since without contraception, naturally women spend much of his life in a state of pregnancy or breast when the ovaries do not have to work to create a
new egg.

Hormones also make the cervical mucus in the cervix more viscous, preventing the penetration of sperm inside, which reduces the risk of pregnancy, even if ovulation has occurred.And even if all the sperm penetrated the egg, and fertilization happens under the influence of oral contraceptives work slows down the fallopian tubes that move the egg so that it can attach to the uterine wall, and pregnancy finally came.Thus, the chances of getting pregnant while taking birth control correctly with enough hormone is very low.

According to specialists, the chance of getting pregnant in this case is less than one percent.

Factors that increase the risk of pregnancy

There are many cases where when taking birth control pills women are still pregnant.Most often this occurs because of a violation of the rules of taking the drugs.The first reason - the tablets are not made on schedule, which is described in the instructions.It can be as wrong the reception and passage of one, two or more tablets.Even skipping one tablet may lead to the maturation of the egg and to an unwanted pregnancy, it is also desirable to take them at about the same time that the delay was not more than twelve hours.

If you miss a pill, act according to the instructions to the drug.

Even if the schedule of the pills may be impaired due to vomiting or diarrhea.If these symptoms occur you have less than four hours after administration, refer to the instructions, which usually requires another drink one tablet as the first, it is not likely to learn.Also, this is followed for several days using other methods of contraception.

probability of becoming pregnant while taking oral contraceptives increases when used with certain medicines or dietary supplements.In such a case worse hormones act on the body and do not inhibit ovulation.The instructions to contraceptives should be given a list of medications that weaken the effect of the tablets.Also very important is the right choice of hormonal agents.

If you become pregnant while taking hormonal contraceptives immediately stop taking them and consult a doctor.