Maternal and child health is the most demanding test of any health system planning framework, and the highest priority of most public health systems. This paper demonstrates that the four-quadrant operational framework - which classifies healthcare by acuity (Acute vs Non-Acute) and intervention dependency (Interventional vs Non-Interventional) rather than by institutional tier or medical specialty - maps onto the entire MCH continuum cleanly and exhaustively, and in doing so localizes precisely where most maternal and neonatal mortality gaps lie and how it should be closed. Three findings emerge. First, the majority of MCH services are Non-Acute Non-Interventional (Q3) - antenatal care, immunization, nutrition, counselling, postnatal follow-up - and are therefore distributable through digital and community channels. This provides a theoretical foundation for the ASHA and ANM workforce that the existing tier system never supplied. Second, the mortality gap lies overwhelmingly in the Acute Interventional quadrant (Q2): mothers and newborns die not from a failure of knowledge or coverage but from distance to emergency obstetric and neonatal care at the moment of crisis. Third, the correct response is not to build dedicated, single-purpose maternal facilities but to ensure that every population cluster has access, within a defined travel time, to a non-sectoral acute-care facility capable of handling all emergencies - obstetric, neonatal, cardiac, and trauma - connected to community and home settings by reliable emergency transport. Fragmented, single-purpose facilities are shown to be an artifact of fragmented financing rather than a clinical necessity, and to work against the volume thresholds on which good acute outcomes depend. The paper confronts the two hardest objections to this position - the tight time-to-death window of obstetric hemorrhage, and the principle that childbirth is a physiological event rather than a disease - and shows that both are answered within the framework without new categories. Throughout, it treats implementation as a matter of mapping and reorganizing existing infrastructure rather than building anew, and it closes with a generic methodology for applying and testing the framework in any region.