Clinicians' Pregnancy VTE Risk Knowledge Gap
A UK survey in BJOG shows clinicians' knowledge of pregnancy-related blood clot risk assessment varies widely, with many misjudging the danger.

A new survey of UK clinicians reveals significant gaps and inconsistencies in their knowledge of venous thromboembolism risk during pregnancy and postpartum. The study: An International Journal of Obstetrics and Gynaecology, found wide variation in how healthcare professionals assess and perceive the danger of blood clots for pregnant and postnatal patients.
Researchers from King's College London, University of Liverpool, and several NHS Foundation Trusts conducted the survey. They aimed to understand clinicians' grasp of VTE risk assessment in what they describe as "complex times." The findings suggest a need for improved and more consistent training.
Survey Reveals Knowledge Inconsistencies
The survey uncovered that clinicians' understanding of key risk factors and the timing of highest danger is often inconsistent. Some healthcare professionals reportedly overestimated certain risks, while others underestimated them. This variation could lead to inconsistent recommendations for thromboprophylaxis, the use of blood-thinning medication to prevent clots.
One contested area is the perception of when risk is highest. The source indicates that clinicians held different views on whether the antenatal or postnatal period carries greater danger. Accurate risk assessment is critical, as VTE remains a leading cause of maternal mortality in the UK.
The Challenge of Risk Assessment Tools
A core part of the survey focused on clinicians' use of formal risk assessment tools. These tools, like the guidelines from the Royal College of Obstetricians and Gynaecologists, are designed to standardize evaluation. However, the research suggests application is uneven.
Some clinicians reportedly relied heavily on these tools, while others leaned more on personal clinical judgment. The study authors imply this divergence can affect patient safety. They reference other reports, including one from the Health Services Safety Investigation Body in 2022, which highlighted concerns about VTE risk assessment practices.
The source does not provide specific statistics on how many clinicians used the tools correctly. It states that knowledge and understanding varied significantly across the surveyed group.
Implications for Maternal Healthcare
The survey's conclusions point to tangible impacts on patient care. Inconsistent risk assessment can directly influence whether a patient is offered preventative treatment. This includes decisions about prescribing low-molecular-weight heparin during pregnancy or the postpartum period.
The researchers connect their findings to broader efforts to improve maternity safety. They cite UK confidential enquiries into maternal deaths, which have repeatedly identified VTE as a major concern. The study suggests that closing the knowledge gap among clinicians is a necessary step toward reducing preventable harm.
No new clinical guidelines are proposed in the source material. Instead, the work highlights an area requiring attention within existing maternity care frameworks. The authors declare no conflicts of interest. The article relates to a qualitative study on patient and clinician perspectives on postpartum thromboembolism risk. The data from this survey is available on request from the study authors.





