نتایج جستجو برای: recurrent early pregnancy loss
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Background: Recurrent pregnancy loss (RPL) is a common and distressing disorder. RPL is a devastating reproductive problem affecting approximately 5% of couples trying to conceive. If we camper the rate of miscarriage in couples may experience RPL with the pregnancy loss rate in general population we may calculate that it is at least two or three times higher than expected. This study aimed to ...
This article discusses the current trends in the diagnosis and treatment of recurrent pregnancy loss. Genetic testing of the miscarriage tissue by 23-chromosome microarray and the ability to identify maternal cell contamination have increased our awareness of the role of aneuploidy as a cause of recurrent pregnancy loss. This increasing influence and the role of genetic testing in developing a ...
Background Recurrent pregnancy loss (RPL) is usually defined as three or more consecutive pregnancy losses before 20th gestational week. Many etiological factors have been considered as cause of RPL including genetic factors, uterine anatomical defects, endocrine abnormalities, thrombotic and immunologic factors. Nevertheless, the cause of RPL remains unknown in around half of the patients desp...
background: miscarriage is a common phenomenon complicating more than half of pregnancies. recurrent pregnancy loss (rpl) is defined as three or more pregnancies lost before the twentieth week of gestation. it is believed that abnormality in maternal immune reaction to fetus and sharing of hla antigens might be associated with rpl. objective: to investigate the effect of hla-drb1 sharing betwee...
background recurrent pregnancy loss (rpl) is a serious problem for pregnancy. there is evidence that vascular complications play a principal role in rpl. methylenetetrahydrofolate reductase (mthfr) is a key enzyme in folate metabolism. polymorphisms (c677t, a1298c) of mthfr gene are associated with decreased mthfr activity. objectives the aim of this study was to determine the association betwe...
Routine investigation for recurrent pregnancy loss includes measurement of antiphospholipid antibodies under the perception that the lupus anticoagulant (LAC) is prevalent in this population. Our tertiary clinic sees ~250 new patients with recurrent pregnancy loss annually, in addition to those with systemic lupus erythematosus and/or antiphospholipid syndrome. We measure LAC using a 4-assay pa...
An imbalance between phase I drug metabolizing enzymes and phase II detoxification enzymes may contribute to the development of pre-eclampsia. Polymorphic variants in the phase I enzyme, cytochrome P450 genes may lead to increased toxification, whereas polymorphisms in the phase II enzyme, glutathione S-transferase genes may result in impaired detoxification. Most abundant in placenta and decid...
Recurrent pregnancy loss is an important reproductive health issue, affecting 2%-5% of couples. Common established causes include uterine anomalies, antiphospholipid syndrome, hormonal and metabolic disorders, and cytogenetic abnormalities. Other etiologies have been proposed but are still considered controversial, such as chronic endometritis, inherited thrombophilias, luteal phase deficiency,...
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