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Thrombofilias and the risk of recurring pregnancy loss in a Mexican population


Obstetrics & Gynecology International Journal
Luján Irastorza Jesús Estuardo,1 Durand Montaño Carlos,1 Kava Braverman Alejandro,1 Hernández Ramos Roberto,1 Ávila Pérez Felipe de Jesús,1 Guerrero Vargas Jose Juan,1 Ávila Rebollar Daniela,1 Pariente Fernández Maruxa,1 Paredes Nuñez María Angélica,1 Vargas Hernández Víctor Manuel2

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Abstract

Background: Recurrent gestational loss (RPL) is defined by the ESHRE as the loss of 2 or more consecutive pregnancies. The objective of this study is to evaluate the relationship of Factor V Leiden (FVL, G1691A), prothrombin G20210A (PRT, G20210A), methylenetetrahydrofolate reductase G677A (MTHFR C677AT) and plasminogen activator inhibitor-1 (4G/5G) (PAI-1, 4G/5G); with recurrent gestational loss and perinatal data of Mexican women.
Material and method: Retrospective, observational and cross-sectional study, which includes 277 pregnancies of 95 women and three groups were formed: 1) Control: deliveries of patients without pregnancy loss, without problems during the development of pregnancy and with a study of hereditary thrombophilias, 2) idiopathic fetal death : Deliveries of patients with idiopathic gestational loss (=1) and with study of thrombophilias, and 3) recurrent pregnancy loss. Deliveries of patients with idiopathic recurrent pregnancy loss and with study of hereditary thrombophilias; patient data was collected; age, weight and height, newborn data, weeks of gestation, weight and height, which are reported with mean ± standard error and analyzed with the student's t test, and thrombophilias, cesarean sections, deliveries and spontaneous abortions are reported in percentages and analyzed with chi2, in both cases the SPSS version 25 statistical package was used.
Results: Of the 95 women included there were no significant differences in age, weight and height in the different rates of each group; one of the thrombophilias to be evaluated in the different populations, it was observed that FVL-G1691A only occurs in recurrent pregnancy loss (15.4%); the translation of homozygous and heterozygous, it was observed that FVL-G1691A only appeared in recurrent pregnancy loss, perinatal data showed a decrease in the weeks of gestation in newborns of mothers with recurrent pregnancy loss, with a decrease in weight and size.
Conclusions: the presence of inherited maternal thrombophilias increases the risk of recurrent pregnancy loss, premature birth, and decreased weight and height at birth.

Keywords

Thrombophilias, Fetal death, Recurrent loss of pregnancy

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