Indian Journal of Pathology and Microbiology
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Year : 2021  |  Volume : 64  |  Issue : 4  |  Page : 741-745

Inherited and acquired thrombophilia in women of Indian ethnicity with recurrent pregnancy loss: An observational study from North India

1 Department of Hematology, AIIMS, New Delhi, India
2 Department of Laboratory Sciences and Molecular Medicine, Army Hospital (R and R), Delhi Cantt, New Delhi, India

Correspondence Address:
Kanwaljeet Singh
Department of Laboratory Sciences and Molecular Medicine, Army Hospital (R and R), Delhi Cantt, New Delhi - 110 010
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/IJPM.IJPM_1317_20

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Objectives: The spectrum of thrombophilia in women with recurrent pregnancy loss (RPL) is different in Indian ethnicity as reported by few studies. We aimed to study the prevalence of thrombophilia in RPL patients referred to hematology department of a tertiary centre. Material and Methods: This is an observational study of 112 RPL patients with no apparent cause after extensive workup for non-hematological causes. The investigations performed were routine coagulogram, APLA workup, plasma homocysteine, MTHFRC677T polymorphisms, Protein C, free Protein S, Anti-thrombin III levels, test for Activated Protein C resistance (APC-R) ,Factor V Leiden and Prothrombin gene G20210A mutation. Results: Of 112 patients, at least one thrombophilia was identified in 70.5% and combined thrombophilia in 12.5% patients. Hyperhomocysteinemia (30.4%) and APLA (25.9%) were the commonest thrombophilia whereas anticoagulant defects were seen in 12.5% of the population. Protein C deficiency (5.35%) was the commonest anticoagulant defect followed by APCR (3.6%). Mutational analysis revealed MTHFRC677T polymorphism in 20.5% whereas Factor V Leiden heterozygous in 1.8% patients. None of the patients had homozygous Factor V Leiden or Prothrombin gene G20210A mutation. Hyperhomocysteinemia, MTHFRC677T and Protein C deficiency were more associated with early pregnancy losses whereas Protein S deficiency, Factor V Leiden and APLA caused both early and late losses. Patients with greater number of losses were positive for homozygous MTHFRC677T, factor V Leiden and APLA. Conclusion: The approach to investigating Indian women with RPL should be based on the prevalence of thrombophilia which is unique to Indian ethnicity.

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