teen-age fertility rate

例句：

1. 1.The teenage fertility rate is a key factor in determining the country's population growth.
   青少年生育率是决定该国人口增长的关键因素。
2. 2.The government has been working to improve the teenage fertility rate.
   政府一直在努力提高青少年生育率。
3. 3. The study found that teenagers are more likely to have children if they have access to quality education and healthcare.
   研究发现，如果青少年能够获得优质的教育和医疗资源，他们更有可能拥有孩子。