 Complete the following phrase:  She was the only female filmmaker on the National Film Board of Canada in the 1960s and 1970s. Her first film, the black and white surrealist fictional documentary De mère en fille 1968, critiques social codes of motherhood and investigates the psychological experience of pregcy. The film had a significant influence on the nascent feminist movement in Canada. De mère en fille is the first feature film ever directed by a French-Canadian woman. Poiriers film Mourir à tue-tête competed in the Un Certain Regard section at the 