Von Willebrand disease (VWD) is a genetic condition, and in the vast majority of cases, it does not go away. Most people with VWD are born with a gene change that affects how their body makes a blood-clotting protein called von Willebrand factor (VWF). That gene change is permanent. However, there are real reasons why symptoms can improve over time, why lab results might look normal on a given day, and why some people feel like the condition has disappeared. Understanding these nuances matters for managing your health long-term.
Why Inherited VWD Is Lifelong
VWD is caused by a change in the gene responsible for producing von Willebrand factor, a protein that helps platelets stick together to form clots. This gene change is inherited from one or both parents and is present in every cell of your body from birth. There is no treatment that corrects or reverses the underlying genetic mutation. The three main types of VWD (types 1, 2, and 3) all stem from these inherited gene changes, and all are considered permanent conditions.
What treatments can do is temporarily raise your VWF levels when you need them, such as before surgery or during a bleeding episode. One commonly used medication works by triggering your blood vessel walls to release stored VWF into the bloodstream. This effect kicks in within an hour and can bring clotting levels closer to normal for a short window. But once that stored supply is used up, levels drop back down. The underlying deficiency remains.
When VWF Levels Seem to Normalize
One of the most confusing aspects of VWD, particularly type 1, is that lab results can vary significantly from one test to the next. Von Willebrand factor is what scientists call an acute phase reactant, meaning your body produces more of it in response to stress, illness, inflammation, and exercise. Pregnancy, oral contraceptives, and other sources of estrogen also push VWF levels higher. If you happen to be tested during one of these periods, your results may come back normal even though you genuinely have the condition.
This is why diagnosis sometimes requires repeat testing on a separate day. A single normal result doesn’t mean VWD has resolved. It may simply mean your body was temporarily producing enough VWF to mask the deficiency. Current diagnostic guidelines from the American Society of Hematology and other international bodies set the threshold for a type 1 VWD diagnosis at VWF levels below 0.30 IU/mL regardless of symptoms, or below 0.50 IU/mL in people with abnormal bleeding. People whose levels hover between 0.30 and 0.50 IU/mL are sometimes categorized as having “low VWF” rather than a formal VWD diagnosis, which can add to the confusion about whether the condition is truly present.
Bleeding Symptoms Often Improve With Age
Here’s where things get genuinely encouraging. Research published in Clinical and Applied Thrombosis/Hemostasis found that bleeding symptoms in people with type 1 VWD decreased significantly with age. Using a standardized bleeding assessment tool, bleeding scores dropped by about 0.08 points for each year of age. That’s a meaningful trend over decades.
Interestingly, this improvement didn’t clearly correspond to rising VWF levels. While healthy adults are known to produce more VWF as they age, the study found no statistically significant increase in VWF levels among the type 1 VWD patients studied. Patients older than 65 did show a small, statistically significant bump in VWF levels, but those levels still remained below the normal range. Something else, possibly changes in other clotting factors, blood vessel behavior, or lifestyle, appears to contribute to reduced bleeding as people get older.
This doesn’t mean VWD goes away with age. It means the practical impact on your life may lessen. For some people with mild type 1 VWD, this can feel like the condition has disappeared, especially if they’re no longer menstruating or engaging in activities that provoke bleeding. But the genetic susceptibility remains, and precautions before surgery or dental procedures are still important.
Pregnancy and Hormonal Changes
For women with VWD, pregnancy creates a particularly dramatic shift. Estrogen levels rise substantially during pregnancy, and VWF levels often climb along with them. By the third trimester, many women with type 1 VWD have VWF levels approaching or reaching the normal range. This can reduce bleeding risk during much of the pregnancy.
The catch is that this improvement is entirely temporary. Once estrogen levels drop after delivery, VWF levels fall too, sometimes rapidly. This creates a window of increased risk for delayed postpartum hemorrhage. Doctors typically check VWF and factor VIII levels during the third trimester specifically to plan for delivery and the postpartum period. Oral contraceptives can produce a similar, smaller effect: raising VWF levels while you’re taking them, with levels returning to baseline when you stop.
The Exception: Acquired Von Willebrand Syndrome
There is one form of this condition that genuinely can go away. Acquired von Willebrand syndrome (AVWS) is not inherited. It develops later in life as a consequence of another medical condition, such as an underactive thyroid, certain blood cancers, heart valve problems, or autoimmune disorders. In these cases, the underlying disease either destroys VWF, speeds up its removal from the bloodstream, or interferes with its production.
When the underlying condition is successfully treated, VWF levels can return to normal. Published case reviews have documented this happening after treatment of hypothyroidism and certain blood cancers, with clotting tests normalizing completely. If you were diagnosed with VWD as an adult without a family history of bleeding problems, acquired von Willebrand syndrome is worth discussing with your doctor, because it behaves very differently from the inherited form.
What This Means in Practice
If you have inherited VWD, the honest answer is that the condition itself is permanent. Your genes don’t change. But your experience of the disease can change considerably. Bleeding symptoms often become less frequent and less severe with age. Hormonal shifts during pregnancy or with contraceptive use can temporarily improve clotting function. And on any given day, stress, exercise, or even a mild illness can push your VWF levels high enough to produce a normal-looking lab result.
None of these things mean the disease is gone. They mean your VWF levels are variable, which is both a feature of the condition and a source of confusion. Keeping a record of your bleeding history, knowing your baseline VWF levels, and informing surgeons or dentists about your diagnosis remain important even during periods when symptoms seem minimal. For people with acquired von Willebrand syndrome, treating the root cause offers a genuine path to resolution, making the distinction between inherited and acquired forms one of the most important questions to answer.