2007	Preimplementation: Decision to start universal perinatal depression screening
2008	PHQ-9 chosen as the universal screening tool
2009	Perinatal depression site champions chosen and meet locally and regionally. Local planning task forces created and meet to identify barriers to implementation, best practices for care, local resources, and useful collaborations
2010	Implementation begins: Clinician and staff education on PHQ-9 form, entry, use of depression diagnoses is ongoing. Clinical education begins, as well as the development of pocket cards for help with treatment and medication decision support. Medical centers start screening once; quarterly screening data report is created and distributed
2011	Medical centers expand to screening three times. Data created to measure average number of screens per pregnancy. Education of staff and clinicians continue.
2012	Full Implementation Development and use of data metrics and performance and registry reports for PMOOD. Education of staff and clinicians continue.
2013	Development and use of data reports for PMOOD-significantly improved and PMOOD-remission. Workflows are refined, collaborations are strengthened with behavioral health/psychiatry, clinician resources are refined and performance data is regularly distributed.
2014	Champions and Leadership work with low performing medical centers.