| Time (months) | 1-3 | 4-9 | 10-12 (Tanzania) 10-18 (Nepal and Sri Lanka) |
| Group 1 (Hospitals 1-3) | O | X | X |
| Group 2 (Hospitals 4-6) | O | O | X |
| where X = PPIUD intervention and O = control (standard of care provided) | |||
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