Causes of pregnancy-related blood clots include: 1  decreased levels of natural anticoagulants such as total and free protein S, or antithrombin. 2  increased levels of procoagulant proteins such as FVIII, von Willebrand factor and fibrinogen. 3  decreased rate of blood flow, increasing the risk of blood pooling.
(redirected from Otos) Also found in: Dictionary, Thesaurus, Wikipedia. (Å`tÅ), Native North Americans, also called the Otoe, whose language belongs to the Siouan branch of the Hokan-Siouan linguistic stock (see Native American languagesNative American languages, languages of the native peoples of the Western Hemisphere and their descendants.
Oriental Troops, also known as OTs, are members of the Southeast Asian street gang of the same name formed in the city of Visalia, California during the early 90's. It was oringally a Laos gang. Most of its members are of Lahu, Thai, Mien, Hmong, or Lao ethnicity.