Factors that cause abnormal levels of urobilinogen in urine. The urobilinogen amount in urine could deviate from the normal range; it could be found to be lower or higher. Regardless, any value that does not conform to the standard range is indicative of a health problem. 1  Low levels of Urobilinogen.
Use in Major League Baseball . The concept of the Designated Hitter was proposed in the early 1900s and came fairly close to being initiated in the 1920s. It was finally approved in the 1970s. The Designated Hitter is used only in the American League (since 1973) and was never adopted in the National League. The rule allowing a DH has always been controversial since some want the rule eliminated, some want the rule adopted in both leagues and some want the rule to remain in its current state.
The only California expansion teamâand also the first in Major League Baseball in over 70 yearsâwas the Los Angeles Angels (later the California Angels, the Anaheim Angels, and, as of 2005, the Los Angeles Angels of Anaheim), who brought the American League to southern California in 1961.owever, due to the 1994 Major League Baseball strike (which canceled the 1994 World Series), the new rules did not go into effect until the 1995 World Series. In 1998, the AL and the NL each added a fifteenth team, for a total of thirty teams in Major League Baseball.