trial of labor after cesarean delivery

tri·al of la·bor af·ter ce·sar·e·an de·liv·er·y

(trī'ăl lā'bŏr af'tĕr se-zar'ē-ăn dĕ-liv'ĕ-rē)
The attempt to deliver vaginally after a cesarean section; carries some risk of rupture of the uterine scar.