How long after WLS should we be concerned about blood clots?

i was reading the memorial page when i seen a few people listed died a few months after surgery from a blood clot..one was even longer.. Question i have is ..HOW long till you can set your mind at ease as to not getting a clot?

We greatly appreciate your interest in helping us build our Q&A database. To discourage vandals from posting garbage, however, we require people to register before posting.