Postinor - a drug that contains large doses of female hormones (each tablet contains 750 mg of progesterone analogue against 30 mcg levonorgestrel contained in the type of contraceptive mini-pill). But with the right application of rare it gives a minimum of side effects. Dangerous independent uncontrolled intake of this drug, which can lead to permanent disruption of the menstrual cycle and infertility.

Side effects from the female genitals

Action postinora based on the fact that large doses of progesterone or synthetic analogues inhibit fertility and introducing fertilized ova into the uterus mucosa. In the context of the natural menstrual cycle mucosa devoid of hormonal support, rejected, accompanied by menstrual bleeding. When receiving Postinor there is the same, but in a much stronger version. And as postinor allowed to take any day of the menstrual cycle The days of the menstrual cycle: Four phases Even when the mucous membrane is not yet ripe, it is "confusing" and they are the ovaries begin to produce more or less than normal amounts of hormones.

Therefore, even after a single use Postinor (two tablets 12 hours apart) ovaries need some time to recover its function. If postinor took a woman who already has some problems with the menstrual cycle (frequent intermenstrual bleeding, prolonged and heavy menstrual bleeding, painful or irregular menstruation), or a teenage girl to 16 years, the failure can be worn long (sometimes permanent ) character.

Especially dangerous is the use of Postinor women who periodically appear uterine bleeding and it is not addressed to the doctor about it. Such bleeding may be amplified and women need urgent medical attention.

But there may be and the nature of the opposite phenomenon - menstruation become rare, irregular or disappear altogether. Such features also require immediate treatment to the doctor, as may develop persistent violations of ovarian function and fertility.

Side effects may occur from the breast, they nagrubayut become painful nipple discharge can occur.

The appearance of acne in patients receiving Postinor

Progesterone has some androgenic activity (ie, stimulates the synthesis of male sex hormones). Normally of androgens in women estrogens are produced, but postinor inhibits this process. Androgens stimulate the secretion of the sebaceous glands of the skin sebum increased viscosity which is mixed with desquamated superficial skin cells and tightly seals the pores of the skin. As a result, within the sebaceous glands begin to multiply rapidly and there is an infection acne.

Such side effects when used correctly Postinor is quite rare, but if you use it often, the appearance of acne is quite real.

Other side effects that occur when receiving postinora

If taken postinor as specified in the instructions, that is disposable and very seldom, the side effects are hardly any. There may be such things as nausea, vomiting, abdominal pain Abdominal pain: Types and Symptoms   and headaches, but they are not an obstacle to the reception of the next tablet at intervals of 12 hours. Moreover, if within 12 hours after the first or the second tablet vomiting occurred, it is recommended to take still further third tablet.

Under the influence of frequent reception Postinor can increase (or, conversely, decrease) of body weight, as disturbed carbohydrate and fat metabolism. In addition, postinor Postinor - used very carefully! It is acting as a natural progesterone Progesterone - norm and pathology It inhibits the secretion of adrenal hormone aldosterone, which causes fluid retention and edema.

The suppression of estrogen secretion and increase the production of male sex hormones in the long-term use can cause changes in a woman's male pattern: change of body hair, body contours.

The manual says nothing about the side effects of the liver when taking Postinor. However, its reception is contraindicated in hepatic dysfunction, as part of the Postinor levonorgestrel decomposed into metabolites (metabolites) in the liver and it is in violation of its functions will accumulate in the body, causing various disturbances.

Definitely not studied the impact that can have such a high dose of hormones to the fetus and child up to a year, so postinor not be used during pregnancy and breast-feeding.

Galina Romanenko

In Russia still retains a popular means of emergency contraception as Postinor. It might seem like simple: drinking a pill after unprotected intercourse, repeated reception of twelve hours and the problem of unwanted pregnancy is solved. But do not forget that "good intentions lined the road to hell," and injudicious use of the drug can lead not only to the development of adverse reactions, but also irreversible, sometimes the consequences. Without exception drugs have contraindications, including vitamins. It is no exception Postinor, so before applying should consult a doctor and take into account the possible contraindications.

Structure and mechanism of action of Postinor

Postinor used as a means of postcoital contraception or fire after unprotected intercourse, rape, condom breaks or slips off. The structure includes Postinor levonorgestrel, which is the active substance of the drug. Contents levonorgestrel per tablet Postinor is 0, 75 mg (750 ug). One package contains two tablets of the preparation.

Action levonorgestrel is based on the change in cervical mucus Cervical canal - the path traversed by every person   (it becomes thick and viscous, which impedes the progress of sperm into the uterus). Also levonorgestrel inhibits ovulation Ovulation - How to determine as accurately as possible?   by slowing down or preventing release of an egg from the ovary, as occurred in the case of an ovulation ovum and gives movement process in its implantation endometrium.

Contraindications to the use of

As noted above, Postinor should be used with extreme care and only after consulting a gynecologist. Given the loading dose of levonorgestrel contained in the formulation, Postinor can cause not only the development of side effects, but also to expressed hormonal disorders. The highlight, and therefore a contraindication for the use of the drug is its frequent use (more than once a month). Ideally, you should opt out of receiving Postinor or not to use this method to prevent unintended pregnancy more than three times a year, as almost every woman can identify certain contraindications:

• Diseases of the liver and biliary tract (hepatitis, cholecystitis, cholelithiasis, etc.), including history

We all know that the liver is the main organ that passes through itself and destroys toxins. Not an exception and hormones. Therefore, receiving Postinor increases the load on the liver, and in the presence of pathological conditions biliary possible exacerbation of chronic disease and / or the development of jaundice.

• Gormonalnozavisimyh neoplasms

Gormonalnozavisimyh tumors (uterine, ovarian, breast), especially malignant, is a contraindication to use of the drug, since LNG can trigger growth and / or metastasis. Furthermore, the use of Postinor amid such tumors can cause massive uterine bleeding Uterine bleeding outside of menstruation - a sign of a serious breach .

• Menstrual irregularities

Postinor often leads to a variety of menstrual disorders and hormonal imbalances. Not recommended for use with irregular cycle, or if there is bleeding from the genital tract of uncertain origin.

• Increased blood clotting

The tendency to increased blood clotting indicates the possibility of blood clots and thromboembolic events. Levonorgestrel, like all progestogens, causing thickening of the blood, so the use of the drug is contraindicated in various diseases of the blood, especially if there are a history of thrombosis and thromboembolism.

• Gestation

Postinor is not able to terminate an existing pregnancy but cause irreparable harm to the body in his power. Also, it is a contraindication to use of the drug and the suspected pregnancy.

• Puberty Puberty child - stages of a complex path

At puberty, the menstrual function is the establishment, training girls to pregnancy and childbearing in the future. The use of Postinor during this period can lead to menstrual dysfunction, hormone disruption, and even infertility.

• Hypersensitivity to levonorgestrel (a relative contraindication)
• Neuro-vegetative disorders (headache, migraine).
• Severe bowel disease (Crohn's disease) disrupt the absorption and excretion of the drug.

Anna Sozinova