A Potential Link to Recurrent Pregnancy Loss: Monoclonal Anti-PF4 Antibodies’ Role
Flora Peyvandi, Professor of Internal Medicine-Hemostasis and Thrombosis Unit, University of Milan, former President of ISTH, shared a post on X:
”Monoclonal Anti –Platelet Factor 4 Antibodies in Recurrent Pregnancy Loss.”
Read the full article here.
In a newly published article ”Monoclonal Anti–Platelet Factor 4 Antibodies in Recurrent Pregnancy Loss ” in The New England Journal of Medicine (NEJM) by Natalie R. Bavli et al., the role of monoclonal anti-platelet factor 4 antibodies in cases of recurring misscarriage is discussed.
Emerging evidence suggests that monoclonal anti–platelet factor 4 (PF4) antibodies may play a role in persistent thrombotic thrombocytopenia.
In a recent report, two patients with monoclonal anti-PF4 antibody-mediated thrombosis also experienced chronic intermittent thrombocytopenia and recurrent first-trimester pregnancy losses.
This combination of clinical findings points to a potential association between these antibodies and obstetrical complications, including recurrent pregnancy loss.
Further research in larger cohorts is needed to better understand this possible connection and its implications for maternal health.

More on the latest scientific advancements in the field of thrombosis featured in Hemostasis Today.
-
Dec 7, 2025, 17:01Abdul Mannan: How Do You Manage a Major Surgery When Blood Transfusion is Impossible?
-
Dec 7, 2025, 16:51Ahmed Bahi on Lina Merghani’s Critique of Early Withdrawal of Aspirin after PCI
-
Dec 7, 2025, 16:30Eloïse Laouenan Presents the Results of HEMOTHEPP-CHU Brest-GETBO Prospective Study
-
Dec 7, 2025, 16:21Jonathan Douxfils: Can We Estimate the VTE Risk of a Pill Before a Million Women Use It?
-
Dec 7, 2025, 16:06Pablo Corral on Why Early LDL-C Reduction Saves Lives
-
Dec 7, 2025, 15:53Paul Batty Congratulates Giulia Simini on Taking The Joint BSH-ASH Abstract Award
-
Dec 7, 2025, 15:35Federica Fogacci Presents The New ILEP Consensus Paper
-
Dec 7, 2025, 15:20Deep Molecular Modeling for Type 2A VWD from Omid Seidizadeh
-
Dec 6, 2025, 18:02ASH25 Day 1: Don’t Miss The Highlights
