i tink is a muz bah coz my gynae aso insist which i aso tink it a waste of $$ but wat i heard is they wanna ensure baby is ok b4 labour starts.mine doc wana mi go back to see him on aug 07 @ 3.45pm to check baby heartbeat~so waste $$$ sia~inducing on aug 08 then aug 07 still hv to go back