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.
Officer Training School emblem Officer Training School (OTS) is a United States Air Force commissioning program located at Maxwell Air Force Base in Montgomery, Alabama. It is the current de facto officer candidate school (OCS) program for the U.S. Air Force, analogous to the OCS programs operated by the other branches of the U.S. armed forces.