What causes antithrombin deficiency?

What causes antithrombin deficiency?

People who have a mutation on their SERPINC1 gene have antithrombin deficiency. You can inherit this mutation from one of your parents, but those who are born with this mutation won’t necessarily get a blood clot. There is a 50% chance of passing the mutation on to each child you have, regardless of their gender. Unfortunately, babies who inherit antithrombin deficiency from both parents usually don’t survive.