June 21, 2026 · Prenatal diagnosis · DOI: 10.1002/pd.70203

First-Trimester Molecular Screening for Fetal and Neonatal Alloimmune Thrombocytopenia: Early Identification of At-Risk Pregnancies

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The authors aimed to evaluate the feasibility and clinical value of first-trimester molecular HPA screening to identify pregnancies at risk for fetal and neonatal alloimmune thrombocytopenia (FNAIT). Their study found that early screening successfully identified at-risk pregnancies, allowing for timely clinical interventions and management, including platelet transfusions for affected neonates. These results suggest that targeted prenatal screening programs could enhance the recognition and management of FNAIT, even in populations with low prevalence of certain maternal genotypes.

Sebastián Blanco, Luis Horacio Carrizo, José María Lazarte, Laura Carina Vega, Jorge Mario Culaso, Sandra Verónica Gallego

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