Postinor: instructions for use for the termination of pregnancy, reviews

Postinor relates to a medicament for emergency contraception. They are recommended to take after intercourse without contraception. For information about how to take pills, contains instructions for use of Postinor for abortion.

Do postinor help terminate a pregnancy

Postinor designed to prevent conception or pregnancy termination in cases where the egg is fertilized but not yet had time to attach to the uterus. The exact mechanism of action is unknown. It is believed that the active drug substance blocks ovulation. If you drink the medicine when the fertilized egg has already begun to be implemented in the uterine wall, the result will not be.

According to a clinical study conducted in the 85% case it is possible to prevent pregnancy. In accordance with instructions for use to achieve the desired effect, it is necessary to take 2 tablets. The more time passes from sexual intercourse without contraception to use the drug, the lower the efficiency.

According to the information given in the instructions for use, taking Postinor in the first 24 hours it helps to prevent conception in 95% of cases. When using the medicament for 24-48 hours efficiency decreases to 85%. Upon receiving means according to the scheme after 48-72 hours interrupt occurs only in 58% of cases. Differences in the number of pregnancies in women who took postinor to interrupt 3 and 4 hours after unprotected sex, no.

Structure and Composition

Postinor produced in the form of flat white tablets with beveled middle. The diameter of each of them is about 6 mm, on one side of the marking to be applied INOR.

The main active ingredient in the tablets postinor intended for early termination of pregnancy is levonorgestrel. In each of them contains 0.75 mg of the synthetic progestogen. Levonorgestrel has a pronounced effect contraception, it has antiestrogenic and gestagenic action.

How does postinor

When used levonorgestrel drugs in pre-ovulatory phase there is such an influence on the organism:

• suppressed ovulation;
• It decreases the probability of fertilization (mature oocyte can not enter into the fallopian tube);
• endometrial structure is changing, thanks to this it is possible to reduce the probability of attachment of the fertilized egg;
• viscosity of secretions in the cervical canal is increased, it becomes more difficult to penetrate the sperm into the uterus.

these studies are given in the instructions for use, according to which after receiving 1.5 mg of levonorgestrel maximum concentration of a given substance after only 2 chasa observed in blood. Gradually, the amount thereof is reduced. The half-life is 26 hours.

The main ingredient of the drug is a synthetic analogue of the main pregnancy hormone. After the use of progesterone concentration means sharply increases, and then decreases. Therefore, single dose of said progestogen in an amount of 1.5 mg provokes emergence of withdrawal bleeding.

Use postinor for abortion has already occurred, it is meaningless. This can only provoke the opening of excessive bleeding, detachment of the ovum. Attempts to terminate a pregnancy at 13 weeks postinor may lead to the fact that women have to do an emergency curettage.

Comment! Fetal development means no effect, it changes the hormones and can cause uterine bleeding and miscarriage.

Indications for use Postinor Abortion

In accordance with the instruction, the tablets can be taken with levonorgestrel for emergency contraception drug. They recommend drinking after sexual intercourse without contraception or in cases where the chosen method proved unreliable.

How to take postinor Abortion

Pill levonorgestrel are intended to prevent pregnancy. Although, as evidenced by the feedback, postinor used for abortion. According to the manufacturer, indicated in the instructions for use when it confirmed the ensuing pregnancy drinking meaningless.

To interrupt you must drink 2 Postinor tablets as early as possible. Ideally, they should be taken within 12 hours after intercourse dangerous. The maximum permissible time interval - 72 hours. If over 3 hours after treatment there was vomiting, then immediately should drink another 2 tablets.

Use tool for termination of pregnancy is permitted in any phase of the cycle, if you have no menstruation. After taking the drug, and before the next month on the instructions for use according desirable to use barrier contraception - condoms, cervical caps, diaphragms.

If a woman over the 4 weeks prior to unprotected sexual contact took fermenting means, for the termination of pregnancy should be taken twice the dose of levonorgestrel - 4 tablets Postinora.

Contraindications

Do not use postinor to interrupt those patients who have revealed hypersensitivity to levonorgestrel or other components of the formulation. I do not recommend abortion postinor girls younger than 16 years.

Due to the presence of lactose in the composition of funds, it can not be drunk patients who her intolerance, hereditary disorders susceptibility to galactose or glucose-galactose malabsorption.

According to the instructions for use, the active substance is excreted in breast milk. But doctors do not prohibit the termination of pregnancy for lactating mothers drink postinor, they recommend only do not give breast milk to babies for 8 hours after eating the pills. During this period, you need to decant.

Caution should be observed patients who have:

• inflammatory diseases of the reproductive organs;
• ectopic pregnancy in history;
• acquired or inherited predisposition to thrombosis;
• diseases of the liver and biliary tract, including the history of jaundice;
• Crohn's disease.

In these cases take medications for abortion made levonorgestrel undesirable.

Side effects

After abortion postinor many women complain of nausea. This is the most common side effect.

The instructions for use indicate that often receive complaints about such negative consequences:

• headache;
• nausea;
• dizziness;
• lower abdominal pain;
• acyclic bleeding;
• diarrhea;
• vomiting;
• delay monthly for 7 or more days;
• breast tenderness;
• fatigue.

These side effects occur in more than 1% of women. Headaches, nausea and a general deterioration of health gynecologists complain more than 10% of patients.

Important! If the delay lasts more than 5 days, you have to make sure that the pills take effect for interrupts, and pregnancy has not occurred.

There are also other negative consequences of receiving Postinor:

• violation of the regularity of menses;
• rash;
• hives;
• itching.

According to the manufacturer, they are found in less than 0.01% of patients.

Postinor consequences at early pregnancy

Postinor main purpose is to prevent pregnancy. When receiving levonorgestrel dramatically changing the concentration of hormones in the body. This can cause uterine bleeding and lead to a complete or partial miscarriage. If a fertilized egg is not released completely, the woman will need cleaning and antibacterial therapy. But to terminate a pregnancy for a period of 4 weeks postinor almost impossible. After the bleeding is a side effect of the drug - it can not start.

Adverse effects on the fetus does not have the means. Therefore, to have an abortion just because in early pregnancy was drunk postinor not need. If the background of the use of the drug levonorgestrel with the pregnancy develops, so he has not had the desired effect.

It means you can not use kontatseptivov instead. Some doctors recommend using it no more than 1 time per month, while others insist that it is possible to drink only 1 time in half a year.

According to doctors

conclusion

Before use, the tablets every woman should read the instructions for use of Postinor for abortion. This will help in time to refuse to accept the product if there is a contraindication or diseases in which care should be taken. Also in the manual can be found the scheme and recommended terms of application of funds for abortion.

Reviews of Postinor during early pregnancy