Combined Yuzpe regimen, named after a Canadian physician, is taken twice estradiol at a dose of 100 mcg and levonorgestrel at a dose of 500 micrograms. The tablets should be taken with an interval of 12 hours not later than 72 hours after unprotected sex. As emergency contraception can use any oral contraceptive. You can take 4 tablets "regulon", "Marvelon" or choose to protect 2 tablets "Ovidon" 5 tablets "Novinet."
The most common side effects - a nausea, vomiting, bleeding, hormonal background, pain in the abdomen. When any negative symptoms that persist for 12 hours, the woman should see a doctor and undergo a full medical examination or get recommendations for eliminating unpleasant consequences.
Pharmaceutical preparations based on progestin "eskapel", "Postinor" - a more modern method of emergency protection against unwanted pregnancy. A large dose of levonorgestrel or synthetic progestin should be taken with an interval of 12 hours at a dose of 750 mg or a single dose of 1500 mg.
This method gives extra protection fewer side effects, but do not exclude them entirely. The contraceptive effect was significantly higher than with the Yuzpe regimen. Nausea, bleeding, hormonal background there are few women. Furthermore, voltage and possibly breast pain, thrombosis.
Reception "Mifepristone" is possible within 72 hours after unprotected sex. The drug promotes inhibition of ovulation, changes the endometrium. This prevents implantation of a fertilized cell. Drug side effects: abdominal pain, weakness, headache, vomiting, nausea, dizziness, vomiting, dyspepsia, fatigue, and insomnia.