1 Cecum: This first section of your large intestine looks like a pouch, about two inches long. It takes in digested liquid from the ileum and passes it on to the colon.  Colon: This is the major section of the large intestine; you may have heard people talk about the colon on its own.
Differences by Age. Older teens have much higher pregnancy rates than younger teens. In 2010, teens ages 18 to 19 had a pregnancy rate of 96.2, compared with rates of 30.1 among teens ages 15 to 17 years, and 1.1 among teens under age 15.[9] (Appendix 1).ifferences by Age. Older teens have much higher pregnancy rates than younger teens. In 2010, teens ages 18 to 19 had a pregnancy rate of 96.2, compared with rates of 30.1 among teens ages 15 to 17 years, and 1.1 among teens under age 15. [9] (Appendix 1).
Figure 1. Prevalence of overweight among children and adolescents ages 6-19 years. NOTE: Excludes pregnant women starting with 1971-74. Pregnancy status not available for 1963-65 and 1966-70. Data for 1963-65 are for children 6-11 years of age; data for 1966-70 are for adolescents 12-17 years of age, not 12-19 years.