It seems that determination of aPLs only against cardiolipin in reproductive failure is not sufficient for obstetric-gynecology diagnosis as the primary anti-phospholipid syndrome. Our long-ranging study (from 1998 to 2003) shows the necessity to test for a complete aPLs profile. Sera from patients after two and more IVF procedures, and sera from women after three and more repeated abortions are immunologically more active than sera from women after one unsuccessful IVF and sera from women after diagnostic laparoscopy. This important result is very significant for future treatment.

Purpose: Increased levels of antiphosholipid antibodies (aPLs) are associated with the autoimmune disorder antiphospholipid syndrome (APS) and are known to play a role in infertility. We investigated the possible effect of prolonged use of hormonal contraception (HC) on autoimmunity after discontinuing HC in women with infertility problems. Material and Methods: We analyzed hormonal status including ovulation and the humoral autoimmune response to eight phospholipids detected by ELISA in 1190 infertile women aged 21?46 (mean age: 29.3) years. Results: Long-term HC did not affect ovulation, but in the absence of ovulation HC masked the hormonal disorders. The majority of patients taking HC for more than 10 years with fertility failure had significantly higher levels of aPLs of the IgG isotype against phosphatidylinositol and phosphatidylserine (p?>?0.001) than against ?2-glycoprotein I and annexin V. Discussion: Thus, high levels of aPLs are significant for the anticoagulant treatment before and during pregnancy to prevent pregnancy loss.

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