RESUMEN
The problem of infertility and reproductive losses maintains its urgency, as well as medical and social significance. Frequency of infertility in overall population, according to the data from different authors, varies from 9 to 18 per cent. Methods of aided reproductive technologies (ART) opened a new era in the field of correction of infertile marriage. As a result, more and more couples choose to solve this problem by means of aided reproductive technologies (ART): in-vitro fertilization (IVF) and embryo transfer (ET). However, despite of all achievements, the frequency of pregnancy development remains relatively low and makes 25-30% per treatment cycle, furthermore, during the last decade this value did not change to any significant extent. Analysis of literature sources revealed that genetic, acquired and combined forms of thrombophilia, which often cause severe complications at ART, are among main causes of IVF failures. The aim of the research was to develop and to introduce main principles of prophylaxis of repeated IVF failures in women with thrombophilia and history of failed IVF. In order to achieve the goal we have examined 80 patients (main group) with genetic, acquired or combined thrombophilia, identified on the first stage of standard examination. One of the main reasons of IVF failure is genetic, acquired or combined thrombophilia. Delivery of pathogenetically justified antithrombotic prophylaxis (75 mg. of aspirin and low molecular heparin - enoxaparinum) in patients with thrombophilia and history of failed IVFs allowed improvement of hemostasiogram profile and efficiency of IVF. Frequency of pregnancy in patients with history of failed IVF after the therapy made 31,3% in the first cycle of simulation (in 25 women), 20,0% in the second cycle of simulation (in 16 women) and 11,3% (9 women) in the third cycle. Due to justified antithrombotic prophylaxis 50 cases of pregnancy was registered (62,5%). Introduction of long-term therapy with application of antithrombotic preparations and vitamins in continuous mode promoted successful course of pregnancy, occurred as a result of IVF in patients with history of failed IVF.