- First births to older women continue to rise, T.J. Mathews and Brady E. Hamilton
- Trends in fertility and mother's age at first birth among rural and metropolitan counties, United States, 2007-2017, Danielle M. Ely and Brady E. Hamilton
- Births in the United States, 2019, Joyce A. Martin, Brady E. Hamilton, and Michelle J.K. Osterman
- Births in the United States, 2022, Joyce A. Martin, Brady E. Hamilton, and Michelle J.K. Osterman
- Declines in births to females aged 10-14 in the United States, 2000-2016, T.J. Mathews, and Brady E. Hamilton
- Mean age of mothers is on the rise, United States, 2000-2014, T.J. Mathews and Brady E. Hamilton
- Births in the United States, 2017, Joyce A. Martin, Brady E. Hamilton, and Michelle J.K. Osterman
- Births in the United States, 2013, Joyce A. Martin; Brady E. Hamilton; and Michelle J.K. Osterman
- Births in the United States, 2014, Joyce A. Martin, Brady E. Hamilton, and Michelle J.K. Osterman
- Educational attainment of mothers aged 25 and over, United States, 2017, T.J. Mathews, and Brady E. Hamilton