Emergency contraceptive methods: what contraceptives to take after sex

Emergency methods of contraception after intercourse
Emergency contraception - methods used to prevent pregnancy after having had unprotected sex. The goal of postcoital contraception is to prevent an unplanned pregnancy after potentially dangerous intercourse at the stage of ovulation, fertilization, egg implantation. The most effective way of emergency contraception is the use of hormonal tablets, the mechanism of action of which is based on the intermittent production of large doses of hormones in order to desynchronize physiologically normal changes in the natural menstrual cycle. One-time contraceptives are recommended as protection against pregnancy with one-time unprotected contact, they can not be used continuously for protection due to low contraceptive reliability.

Urgent contraception: indications

Contraindications:

Preparations for emergency contraception for women

Postinor

This hormonal contraceptive after the act has pronounced anti-estrogenic and gestagenic properties. It inhibits ovulation, changes the endometrium, prevents the introduction of a fertilized egg, increases the viscosity of cervical mucus, preventing the progress of spermatozoa. Contraceptive reliability: in the first 24 hours between sexual intercourse and reception of Postinor - 94-96%, 24-48 hours - 80-85%, 48-72 hours - 50-55%.

Instructions for use

To take a single contraceptive Postinor in a dosage of 750 mcg (1 tablet) during the first 48 hours after coition, after 12 hours take another 750 mcg of the drug. One course is 2 tablets. If vomiting occurs on the background of the reception, repeat taking the pills. Postinor can be used on any day of the cycle. It is not allowed to use the contraceptive as a means of continuous protection - this leads to an increase in adverse reactions and a decrease in effectiveness.

Contraindications:

Side effect:

dizziness, fatigue, a feeling of tension in the mammary glands, intermenstrual bleeding, diarrhea, vomiting, nausea.

Escapel

The gestagenic preparation for postcoital contarception The escapel suppresses fertilization and ovulation if the vaginal contact occurs in the preovulatory phase of the cycle. Can change the endometrium, preventing ovulation. It is ineffective with the implantation of a fertilized egg. Contraceptive reliability of the Escapel: in the first 24 hours after intercourse - 94-95%, 24-48 hours - 80-85%, 48-72 hours - 55-57%. In the recommended dosage does not affect the metabolism of carbohydrates / fats, blood coagulability.

Instructions for use

Take 1 tablet (1.5 mg) within 72 hours after unprotected contact. If vomiting occurs within 3-4 hours after ingestion, take 1 tablet additionally. It is allowed to take the contraceptive on any day of the cycle.

Contraindications:

Side effect:

headache, dizziness, diarrhea, vomiting, abdominal pain, delayed menstruation, acyclic bleeding.

Mirena

Tablets for emergency contraception with a synthetic gestagen content. They differ in anti-estrogenic and gestagenic properties, inhibit ovulation, change the endometrium, prevent the implantation of a fertilized egg. By increasing the viscosity of the cervical secret, the progress of the spermatozoa is stopped. Contraceptive reliability with timely use is 90-95%.

Instructions for use

Take 1 tablet (0.75 μg) after sexual contact for 48 hours, after 12 hours take another pill. Limit: no more than 4 tablets in 30 days. If vomiting occurs on the background of Mirena's reception, repeat taking the pills. In the case of intensive uterine bleeding, a gynecological examination is indicated.

Contraindications:

Side effect:

nausea, intermenstrual bleeding, dysmenorrhea.

Important: emergency contraceptive pills prevent conception for 5 days, passing from the moment of vaginal contact until the moment of pregnancy. They can not damage the developing embryo and interrupt the onset of pregnancy.