The first drugs used for emergency contraception, were developed in the 60s. However, they have many side effects, therefore their use is minimized.
In place of the drugs on the basis of estrogen come combined means. Canadian physician Albert Yuzle the first to use and promote this method of emergency contraception. The effectiveness of this method, according to some estimates is around 97%, but a third of women also complain of side effects.
Since 1993, the most popular means of emergency contraception drugs are levonorgestrel ("eskapel", "Postinor"). They prevent ovulation, and if fertilization has occurred, prevent implantation of the egg. Unfortunately, this method is not as secure as we would like. Nausea, often accompanied by vomiting, is seen in a quarter of women who use this method of emergency contraception. Furthermore, these tablets were significantly alter hormones, whereby a woman may be acyclic bleeding.
Modern effective drug for the termination of unwanted pregnancies in the early stages is "Mifegin" (mifepristone). With the help of medical abortion is often done. If the tablets are taken within 72 hours after unprotected intercourse, it is likely that pregnancy does not occur. The medicine is sold strictly on prescription and dosage and regimen are determined individually depending on the weight and health status of the patient.
As emergency contraception can be used IUD. This method is especially good for those women who are going to be protected so in the future. The introduction of the spiral must be made no later than 5-7 days after unprotected sex. Some women Navy contraindicated, decide on the admissibility of the use of this tool in your case can only be a specialist.
Women often resort to various solutions douching after unprotected intercourse. This method has an extremely low efficiency and can not be considered as a reliable means of emergency contraception.
It should be noted that all methods of postcoital contraception are not safe, and therefore should not be used more than twice a year.