This table lists symptoms that people with this disease may have. For most diseases, symptoms will vary from person to person. People with the same disease may not have all the symptoms listed. This information comes from a database called the Human Phenotype Ontology (HPO) . The HPO collects information on symptoms that have been described in medical resources. The HPO is updated regularly. Use the HPO ID to access more in-depth information about a symptom.
|Medical Terms||Other Names||
|80%-99% of people have these symptoms|
|Reduced antithrombin antigen||0040246|
|Reduced antithrombin III activity||0001976|
|30%-79% of people have these symptoms|
|Deep venous thrombosis||
Blood clot in a deep vein
Blood clot in artery of lung
|5%-29% of people have these symptoms|
Blood clot in artery
|Hepatic vein thrombosis||
Blood clot in liver vein
|Mesenteric venous thrombosis||0030248|
|Portal vein thrombosis||
Blood clot in portal vein
|Recurrent spontaneous abortion||0200067|
|Retinal vein occlusion||0012636|
|1%-4% of people have these symptoms|
|Cerebral venous thrombosis||
Blood clot in cerebral vein
|Percent of people who have these symptoms is not available through HPO|
Making a diagnosis for a genetic or rare disease can often be challenging. Healthcare professionals typically look at a person’s medical history, symptoms, physical exam, and laboratory test results in order to make a diagnosis. The following resources provide information relating to diagnosis and testing for this condition. If you have questions about getting a diagnosis, you should contact a healthcare professional.
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Research helps us better understand diseases and can lead to advances in diagnosis and treatment. This section provides resources to help you learn about medical research and ways to get involved.
Support and advocacy groups can help you connect with other patients and families, and they can provide valuable services. Many develop patient-centered information and are the driving force behind research for better treatments and possible cures. They can direct you to research, resources, and services. Many organizations also have experts who serve as medical advisors or provide lists of doctors/clinics. Visit the group’s website or contact them to learn about the services they offer. Inclusion on this list is not an endorsement by GARD.
These resources provide more information about this condition or associated symptoms. The in-depth resources contain medical and scientific language that may be hard to understand. You may want to review these resources with a medical professional.
Questions sent to GARD may be posted here if the information could be helpful to others. We remove all identifying information when posting a question to protect your privacy. If you do not want your question posted, please let us know. Submit a new question
I have two clotting disorders, antithrombin 3 deficiency and MTHFR. I also only have one kidney. My question is what are all my risks and do the risks outweigh the benefits for getting pregnant? We want to have children, but are scared with everything going on. Thank you! See answer