The technique is based on the use of drugs containing different doses and combinations of estrogens and progesterone.

Hormonal drugs act in three directions, providing three contraceptive blocks:.

blocking the ovulation and functioning of the ovaries, which, as it were, are in the stage of rest, is the main mechanism of action. Hormones, which are part of the contraceptive, replace hormones produced by the ovaries;.

change in the nature of mucus from the cervix (becomes thicker and is released in smaller amounts), which prevents penetration into the uterus of sperm. Usually the mucus produced by the glands of the cervix, transparent, sticky, is most abundant during ovulation and its presence is necessary for the movement of spermatozoa;.

thinning of the mucous membrane of the uterus (it becomes impossible to implant a fetal egg).

Hormonal preparations are very reliable with proper application, their effectiveness is almost 100%. In addition, with some women's diseases (endometriosis, mastopathy, myoma.

Uterine) hormonal contraceptives play the role of a very effective medicine.

Specialists divide hormonal contraceptives into three groups: combined, postcoital, prolonged.

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