9. Conventions 100, 111, 156 and 171. Nevertheless, this evolution was not entirely linear and for many years, from 1919 to 1981, various approaches to female work, including various legally protected interests, overlapped: women as weak individuals requiring special protection, women as mothers, maternity, equality and, finally, protection of maternity/paternity. Flavia Marco, "Consecuencias Econ?as de la Discriminaci?aboral por G?ro", Masters thesis in Economic Law, Santiago do Chile, University of Chile, Law Faculty, Graduate School, 1999.
