; (2) identify successful delivery models for maternal and obstetric care (including preconception, pregnancy, labor and delivery, postpartum, and interconception services) for individuals in areas and within populations referenced by subsection (a), including evidence-based home visiting programs and successful, culturally competent models with positive maternal health outcomes that advance health equity; (3) develop a model for collaboration between health facilities that have an obstetric care unit and health facilities that do not have an obstetric care unit to improve access to and the delivery of obstetric services in communities lacking these services; (4) provide training and guidance on obstetric care for health facilities that do not have obstetric care units; (5) collaborate with academic institutions that can provide regional expertise and research on access, outcomes, needs assessments, and other identified data and measurement activities needed to inform rural obstetric network efforts to improve obstetric care