World Thrombosis Day Highlighted Women’s Clot Risks
Global campaign efforts now focus on blood clot risks during pregnancy and hospitalization for all women.
Updated on Oct. 13, 2026 in Stroke
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The International Society on Thrombosis and Haemostasis launched a new global initiative for World Thrombosis Day 2026 to emphasize blood clot risks specifically impacting women. The campaign aims to educate the public on factors like hormonal changes and hospitalization that increase vulnerability.
Why it matters
Blood clots remain a misunderstood health threat that contributes to one in four deaths worldwide. This effort helps patients and providers recognize critical risk windows, such as pregnancy, to ensure more timely intervention and prevention.
Official health statistics show that one in four people globally die from conditions linked to thrombosis. Research indicates that pregnant women are five times more likely to develop a blood clot, while up to 60% of venous thromboembolism cases occur during or within 90 days of hospitalization.
The players
International Society on Thrombosis and Haemostasis
A global medical organization of over 21,000 members across 120 countries dedicated to the study and prevention of blood disorders.
The details
Venous thromboembolism occurs when blood clots form in deep veins, potentially breaking loose and causing severe health complications. The campaign highlights how women face evolving risks due to hormonal fluctuations and the physiological demands of pregnancy. Additionally, the clinical stress and physical inactivity associated with medical stays significantly elevate the danger of clot formation, making the 90-day window following hospitalization a period of heightened concern for many patients.
Timeline
The International Society on Thrombosis and Haemostasis was founded in 1969.
World Thrombosis Day took place on October 13, 2026.
Venous thromboembolism frequently occurs within 90 days of hospitalization.
Health Landscape
The initiative marks an evolution in how the International Society on Thrombosis and Haemostasis approaches blood clot prevention by centering gender-specific clinical risks. This follows a long-standing historical arc of broad awareness efforts that are increasingly shifting toward targeted, patient-specific risk profiles.
Women should be particularly aware of clotting symptoms during pregnancy and in the three months following any hospital stay. Discuss your personal risk factors and any history of clotting with your doctor to determine if you require specialized monitoring.
The takeaway
Recognizing that blood clots are a significant, preventable cause of death is the first step toward effective health management. Track your medical history, especially regarding recent hospitalizations or pregnancy, and ensure these details are part of your regular checkups.
Further reading
Learn more about the latest prevention research and health guidance in our Stroke section.
More information
Access expert resources and detailed information on women's blood clot risks through the official organization portal.
Live Poll
Do you feel adequately informed about your personal health risks, such as blood clots?
