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n.
a prostaglandin drug used mainly to induce labour. It is administered a vaginal tablet or gel. Trade names: Propess, Prostin E2.
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di·no·prost·one (di″no-prosґtōn) name given to prostaglandin E2> when used pharmaceutically; used as an oxytocic for induction of abortion and for the induction of labor, to evacuate the uterus in the management of missed abortion, to aid ripening of the cervix prior to the induction of labor, and in the treatment of hydatidiform mole; administered intravaginally or intracervically.Medical dictionary. 2011.