{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T16:27:49Z","timestamp":1790180869516,"version":"4.1.0"},"reference-count":35,"publisher":"MDPI AG","issue":"8","license":[{"start":{"date-parts":[[2025,8,4]],"date-time":"2025-08-04T00:00:00Z","timestamp":1754265600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"University of Oradea"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["CIMB"],"abstract":"<jats:p>Background: Inherited thrombophilia is increasingly recognized as a contributing factor to placental vascular pathology and adverse pregnancy outcomes. While the clinical implications are well-established, fewer studies have systematically explored the histopathological changes associated with specific genetic mutations in thrombophilic pregnancies. Materials and Methods: This retrospective observational study included two cohorts of placental samples collected between September 2020 and September 2024 at a tertiary maternity hospital. Group 1 included women diagnosed with hereditary thrombophilia, and Group 2 served as controls without known maternal pathology. Placentas were examined macroscopically and histologically, with pathologists blinded to group allocation. Histological lesions were classified according to the Amsterdam Consensus and quantified using a composite score (0\u20135) based on five key vascular features. Results: Placental lesions associated with maternal vascular malperfusion\u2014including infarctions, intervillous thrombosis, stromal fibrosis, villous stasis, and acute atherosis\u2014were significantly more frequent in the thrombophilia group (p &lt; 0.05 for most lesions). A combination of well-established thrombophilic mutations (Factor V Leiden, Prothrombin G20210A) and other genetic polymorphisms with uncertain clinical relevance (MTHFR C677T, PAI-1 4G\/4G) showed moderate-to-strong correlations with histopathological markers of placental vascular injury. A composite histological score \u22653 was significantly associated with thrombophilia (p &lt; 0.001). Umbilical cord abnormalities, particularly altered coiling and hypertwisting, were also more prevalent in thrombophilic cases. Conclusions: Thrombophilia is associated with distinct and quantifiable placental vascular lesions, even in pregnancies without overt clinical complications. The use of a histological scoring system may aid in the retrospective identification of thrombophilia-related placental pathology and support the integration of genetic and histologic data in perinatal risk assessment.<\/jats:p>","DOI":"10.3390\/cimb47080612","type":"journal-article","created":{"date-parts":[[2025,8,5]],"date-time":"2025-08-05T08:46:55Z","timestamp":1754383615000},"page":"612","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Prothrombotic Genetic Mutations Are Associated with Sub-Clinical Placental Vascular Lesions: A Histopathological and Morphometric Study"],"prefix":"10.3390","volume":"47","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2747-1411","authenticated-orcid":false,"given":"Viorela-Romina","family":"Murvai","sequence":"first","affiliation":[{"name":"Doctoral School of Biological and Biomedical Sciences, University of Oradea, 1 University Street, 410087 Oradea, Romania"},{"name":"Department of Obstetrics and Gynecology, Emergency County Hospital Bihor, 65 Gheorghe Doja Street, 410169 Oradea, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5998-9488","authenticated-orcid":false,"given":"Anca","family":"Huniadi","sequence":"additional","affiliation":[{"name":"Department of Surgical Sciences, Obstetrics and Gynecology, Faculty of Medicine and Pharmacy, University of Oradea, 1 University Street, 410087 Oradea, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4165-8816","authenticated-orcid":false,"given":"Radu","family":"Gali\u0219","sequence":"additional","affiliation":[{"name":"Department of Neonatology, Faculty of Medicine and Pharmacy, University of Oradea, 1 University Street, 410087 Oradea, Romania"},{"name":"Department of Neonatology, Emergency County Hospital Bihor, 65 Gheorghe Doja Street, 41069 Oradea, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Gelu Florin","family":"Murvai","sequence":"additional","affiliation":[{"name":"Surgery Department, Faculty of Medicine and Pharmacy, University of Oradea, 1 University Street, 410087 Oradea, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8981-1958","authenticated-orcid":false,"given":"Timea Claudia","family":"Ghitea","sequence":"additional","affiliation":[{"name":"Pharmacy Department, Faculty of Medicine and Pharmacy, University of Oradea, 1 University Street, 410087 Oradea, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0628-0408","authenticated-orcid":false,"given":"Alexandra-Alina","family":"Vesa","sequence":"additional","affiliation":[{"name":"Doctoral School of Biological and Biomedical Sciences, University of Oradea, 1 University Street, 410087 Oradea, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7700-2384","authenticated-orcid":false,"given":"Ioana Cristina","family":"Rotar","sequence":"additional","affiliation":[{"name":"1st Department of Obstetrics and Gynecology, \u201cIuliu Ha\u0163ieganu\u201d University of Medicine and Pharmacy Cluj-Napoca, 400012 Cluj-Napoca, Romania"},{"name":"1st Clinics of Obstetrics and Gynecology Cluj-Napoca, Emergency County Clinical Hospital Cluj-Napoca, 400006 Cluj-Napoca, Romania"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2025,8,4]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"15","DOI":"10.1186\/1477-9560-4-15","article-title":"Hereditary thrombophilia","volume":"4","author":"Khan","year":"2006","journal-title":"Thromb. 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