Detailed PTBi phases and activities for Scenario 2 cost analysis.

S1 Fig provides detailed timing, phasing, and activities for each of the PTBi package intervention components through all phases of program planning, initial high-intensity implementation, and maintenance. All activities are based on activities for and findings from the PTBi study. All activities and durations were used for the Scenario 2 cost analysis. Control costs included only activities for data strengthening and the WHO modified safe childbirth checklist, along with general program activities that pertained to these two components. Intervention package costs included all activities for data strengthening, mSCC, PRONTO, Quality Improvement, and general program activities.
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