National announces its three-day post-natal care policy, Labour pledges a third supermarket chain to break the duopoly and Watercare announces its plans to stop future sinkholes. Video / NZ HeraldBOOST TO POSTNATAL CARENational says mums and their babies need the best start they can get. It’s pledged to ring fence funding for extending post-natal care from two days to three - if elected. National to boost number of days in postnatal care. SINKHOLE SOLUTIONWatercare says it plans to invest in pipeline infrastructure to stop future sinkholes in Auckland.