Blood sugar test - blood. A blood glucose test measures the amount of a sugar called glucose in a sample of your blood. Glucose is a major source of energy for most cells of the body, including brain cells. Carbohydrates are found in fruit, cereal, bread, pasta, and rice. They are quickly turned into glucose in your body. This raises your blood glucose level. Hormones made in the body help control blood glucose level.
African American Girls Get Earlier Periods. This is an interesting factor that hasn't been fully explained: Race does seem to have a genuine impact on your menarche time. The difference isn't great â in the U.S., the average age of menarche is 12.88 for white girls and 12.16 for African American girls.
In the 1990âs, when the U.S. study was conducted, the average age of an American girlsâ first menstruation is similar to what it was a generation ago: 12.1 years old for African Americans and 12.8 for white girls. The average age for beginning menarche dropped 3.5 months from 1991 to 2006 for the Danish girls.