preferred_name: Twin birth, unspecified whether mate liveborn or stillborn, born in hospital, delivered by cesarean section
preferred_name_lc: twin birth, unspecified whether mate liveborn or stillborn, born in hospital, delivered by cesarean section
label: Twin birth, unspecified whether mate liveborn or stillborn, born in hospital, delivered by cesarean section
label_lc: twin birth, unspecified whether mate liveborn or stillborn, born in hospital, delivered by cesarean section