Bibliometric analysis of published articles on perinatal depression from 1920 to 2020.

This is the first study mapping publications on perinatal depression between 1920 and 2020. The rate of publication on perinatal depression has been steadily increasing in recent years with a wide variety of authors, countries, and journals represented. As the field continues to grow, trends may shift as early career researchers emerge and the importance of mental health in low-income countries is prioritized.