Moments before going into surgery, Hayley Deniss was told about a potential disruption to her IVF care. newsiviewlistenLoading ABC NewsNews HomeConcerns grow over IVF egg collections as Calvary's hospital takeover nearsShareShare articleConcerns grow over IVF egg collections as Calvary's hospital takeover nearsBy Ben Clifford. Women going through IVF are worried about what Calvary Health Care's takeover of two private hospitals in Newcastle means for their care.