In this section you will find detailed information about what contraception is, when to use contraception, the advantages and disadvantages of each type of contraception. Methods and methods of contraception, emergency contraception and hormonal contraception are described in detail. Popular contraceptive preparations for contraception are described.

Комбинированные оральные контрацептивы (КОК)

Combined tablets (combined oral contraceptives - COCs) are the most common form of hormonal contraception.






According to the content of the estrogen component in the form of ethinyl estradiol (EE), these preparations are divided into highly dosed, having in their composition more than 40 meg of EE, and low-dose components - 35 meg and less than EE. In monophasic preparations, the content of the estrogen and gestagen component in the tablet is constant throughout the menstrual cycle. In two-phase tablets in the second phase of the cycle, the content of the gestagenic component increases. In three-phase COCs, an increase in the dose of the progestogen occurs stepwise in three stages, and the dose of EE increases in the middle of the cycle and remains unchanged at the beginning and at the end of the admission. Variable content of sex steroids in two- and three-phase preparations throughout the cycle allowed to reduce the total exchange rate of hormones.

Combined oral contraceptives are highly effective reversible means of preventing pregnancy. The Perl index (IP) of modern COCs is 0.05-1.0 and depends mainly on compliance with the rules for taking the drug.

Each tablet of combined oral contraceptive (COC) contains estrogen and progestogen. As an estrogen component of COC, synthetic estrogen - ethinyl estradiol (EE) is used, as progestagen - various synthetic progestogens (a synonym - progestins).

The gestagen contraceptives contain only one sex steroid - gestagen, which provides a contraceptive effect.

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