Regrets that women's social and economic contributions to the welfare of the family and the social significance of maternity and paternity continue to be inadequately addressed and that women continue on many occasions to bear a disproportionate share of household responsibilities and the care of children, the sick and elderly, and in this regard emphasizes the need to consistently address such imbalances and to ensure that maternity, motherhood, parenting and the role of women in procreation is not a basis for discrimination nor for restricting the full participation of women in society;