Post-Partum Document is a six-year exploration of the mother-child relationship. When it was first shown at the ICA in London in 1976, the work provoked tabloid outrage because Documentation I incorporated stained nappy liners. Each of the six-part series concentrates on a formative moment in her son’s mastery of language and her own sense of loss, moving between the voices of the mother, child and analytic observer. Informed by feminism and psychoanalysis, the work has had a profound influence on the development and critique of conceptual art.