  
<prompt> Percentage of teenagers who have begun childbearing and who are pregnant with their first child by age
 Percentage 
 [["", "Have had a live birth", "Are pregnant with first child"], ["15 years", 2, 3], ["16 years", 8, 5], ["17 years", 16, 7], ["18 years", 30, 7], ["19 years", 36, 6]] 
 <response> Rates of teen motherhood increase steadily from age 15 to 19, with especially large increases between the ages of 17 and 18.  