preferred_name: Unspecified failed trial of labor, delivered, with or without mention of antepartum condition
preferred_name_lc: unspecified failed trial of labor, delivered, with or without mention of antepartum condition
label: Unspecified failed trial of labor, delivered, with or without mention of antepartum condition
label_lc: unspecified failed trial of labor, delivered, with or without mention of antepartum condition